The door closed behind Cha Eun-woo with a sound like a coffin lid settling into place.
Interrogation Room No. 7 was smaller than he expected—no more than three meters by four, with walls painted an institutional beige that seemed to absorb light rather than reflect it. A single window, frosted and opaque, offered no view of the world beyond. A metal table, scarred with age and use, dominated the center. Two chairs faced each other across its expanse. Fluorescent tubes hummed overhead, casting a light so uniform and artificial that it obliterated all sense of time. There were no clocks. Eun-woo understood this was intentional.
He sat in the chair designated for him—not by words, but by Mr. Kwak's gesture, a simple flick of the wrist that carried more authority than any command. The investigator settled into the opposite seat with the ease of a man who had performed this ritual hundreds of times. Behind Eun-woo, two officers took positions near the door, their presence a silent weight that he felt more than heard.
"Let's begin again," Mr. Kwak said, his voice devoid of aggression but thick with implication. He opened a folder, its contents arranged with meticulous precision. "I want you to walk me through everything. Every moment of the evening Sunghoon died."
Eun-woo had already given this statement three times. At the police station's front desk, to the initial officers, during the preliminary questioning. But he began again, his voice steady despite the dryness in his throat.
"I was at home. I was working on a new collection of poems. I didn't leave my apartment that evening."
"What time did you start working?"
"Around six in the evening."
"And when did you finish?"
"I'm not sure. I lost track of time. Perhaps around midnight."
Mr. Kwak made a note, though his eyes never left Eun-woo's face. "You lost track of time. Convenient."
The word hung in the air between them like smoke. Eun-woo felt the first small crack in his composure, though he kept his expression neutral.
"I was absorbed in my work."
"Your work." Mr. Kwak flipped through the folder and withdrew several sheets of paper. Eun-woo recognized them immediately—his own poetry, printed out. His stomach clenched. "You write interesting things, Mr. Cha. Very interesting. Very... dark."
He read aloud: "'The blade that cuts the tether / Releases what was bound to break / In silence, the wound speaks louder / Than any voice could dare.' Is that not from one of your recent pieces?"
"That's metaphorical," Eun-woo said quietly. "Poetry uses—"
"I'm aware of what poetry is," Mr. Kwak interrupted, his tone suggesting he found the distinction irrelevant. "But metaphors are useful, aren't they? They allow a person to express thoughts they might not dare speak directly. Violent thoughts, for instance."
"My poetry is not violent. It's introspective. It explores human emotion and the human condition."
"Hmm." Mr. Kwak set the papers aside and retrieved his notebook again. "Let's discuss your phone records. On the night of Sunghoon's death, you made seven calls to his number between 8:47 PM and 9:15 PM. All unanswered."
Eun-woo felt his mouth go dry. He was called Sunghoon. He had wanted to discuss something—what was it now? The details seemed to dissolve under the harsh fluorescent light, under the weight of Mr. Kwak's gaze.
"I wanted to talk to him," Eun-woo said. "About a poetry reading we were planning."
"At nine o'clock at night? That couldn't have waited until morning?"
"He often stayed up late."
"But he didn't answer your calls."
"No. He didn't."
Mr. Kwak leaned back slightly, a gesture that somehow made his presence feel larger. "That must have frustrated you. To reach out to your closest friend and have him ignore you."
"It didn't frustrate me. He was probably asleep, or busy."
"Or dead," Mr. Kwak said flatly. "According to the coroner's initial report, Sunghoon died sometime between 8:30 and 9:45 PM. Your calls would have been arriving right around the time he was being stabbed."
The word stabbed hung in the room like a bell that had just been struck. Eun-woo felt something shift in his chest, a deep and terrible recognition that he had crossed some invisible threshold. This was no longer a conversation. It was an interrogation, and he was no longer an accuser seeking justice for his friend. He was a suspect.
"I didn't stab him," Eun-woo said, and even to his own ears, the words sounded weak.
"Yet your calls were made at the time of his death. You live within walking distance of his apartment. Your poems speak of violence and the severing of bonds. And you have no alibi—only your word that you were home alone, working."
"Why would I kill him? Why would I kill Sunghoon?"
"That's what I'm trying to determine." Mr. Kwak opened the folder again and withdrew a photograph. He slid it across the table. It was an image of Sunghoon's body, the wound in his chest visible even in the clinical glare of the photograph. Eun-woo's breath caught. He looked away.
"Look at it," Mr. Kwak said quietly. It was not a request.
Eun-woo forced himself to look. The image blurred slightly as tears formed in his eyes—whether from grief or fear, he could not say.
"This is what I see," Mr. Kwak continued, his voice taking on a strange, almost hypnotic quality. "I see precise violence. Not the frenzied attack of a stranger, but something deliberate. Something personal. Someone who knew where to strike. Someone strong enough to do it without much of a struggle. Someone who might have had reason to feel betrayed by this person."
"I wasn't betrayed by Sunghoon."
"No? Your journals suggest otherwise."
Eun-woo's head snapped up. "You had no right—"
"We had a warrant," Mr. Kwak said smoothly. "Your computer, your notebooks, your personal effects. All documented, all legal. And in your journals, Mr. Cha, I found entries in which you expressed anger toward Sunghoon. Frustration that he was being published while you weren't. Resent that he received the attention that you felt you deserved."
"Every artist feels that. It's not—"
"It's called motive," Mr. Kwak said. He slid another set of papers across the table. Eun-woo recognized the handwriting as his own. The entries were taken out of context, his private doubts and insecurities rendered as evidence of murderous intent. "You wrote: 'Sunghoon's mediocrity has been rewarded while my authenticity goes unrecognized. When will the world see what I truly am?'"
"That was a moment of frustration. Everyone—"
"Everyone what? Everyone commits murder when they're frustrated?"
"No, that's not what I meant."
The hours passed—or what might have been hours. There were no clocks in the room, and Eun-woo's phone had been confiscated. Mr. Kwak returned again and again to the same questions, rephrasing them slightly each time, watching for inconsistencies. Where was he? What did he do? Who could verify this? Why were the phone calls made? Why did his poetry contain violent imagery? Why did his journals express resentment?
The technique was subtle, almost elegant in its cruelty. Mr. Kwak never shouted. He never threatened. He simply asked questions, and when Eun-woo answered, he treated the answer as proof of guilt. When Eun-woo denied, he treated the denial as evasion. There was no path to innocence, only deeper and deeper entanglement in the web of circumstantial suspicion.
Eun-woo began to notice other things. The officers behind him occasionally whispered to each other, their words inaudible but their implication clear—they were discussing him, judging him. Sometimes Mr. Kwak would leave the room for what might have been ten minutes or thirty minutes, and Eun-woo would sit alone under the fluorescent lights, his thoughts fragmenting. Was he hungry? Was he thirsty? Had he been here for three hours or six? The uncertainty became a kind of torture in itself.
When Mr. Kwak returned after one of these absences, he brought new documents. "We've interviewed your neighbor," he said, sitting down as if continuing a conversation they'd been having moments before. "Ms. Park says she didn't see you leave your apartment that evening. But she also says she was watching television and didn't pay attention to the entrance. So she can't confirm you were home."
"I was home."
"But probably not provably."
"That's not how evidence works."
"No," Mr. Kwak agreed. "Evidence is what we gather. What we find. What we can demonstrate." He smiled slightly. "Like the fact that trace amounts of Sunghoon's blood were found on your jacket."
Eun-woo felt the room tilt. "That's impossible. I haven't seen him in days."
"Yet his blood was found on your jacket. The jacket you were wearing when you came to the police station to report his death. The very jacket you wore to murder him, and then wore to establish an alibi by reporting the crime yourself. A common tactic, Mr. Cha. Confess to finding the body, claim innocence through early cooperation."
"I don't understand how his blood could be on my jacket. I didn't kill him."
"DNA doesn't lie," Mr. Kwak said flatly. "Even if you do."
Eun-woo realized then that he had already been convicted. The interrogation was not a search for truth but a process of documentation. Mr. Kwak already had his conclusion; this room was simply where that conclusion would be formalized through confession or coercion.
A different kind of fear settled over him—not the sharp fear of immediate danger, but a colder, deeper dread. The fear of a system that had already decided his fate.
"I want a lawyer," Eun-woo said quietly.
Mr. Kwak's expression didn't change, but something flickered behind his eyes. He stood slowly and gathered his papers.
"Of course," he said. "That's your right." He moved toward the door, paused, and turned back. "But understand, Mr. Cha, that cooperation now would go much better for you in court. A voluntary confession, contrition, the opportunity to explain your state of mind... these things matter to judges. Once we move to formal charges, once this goes to trial, the narrative becomes fixed. And right now, the narrative is very clear."
He stepped out of the room and closed the door behind him.
Eun-woo sat alone under the harsh light, the fluorescent tubes humming their mechanical song. His hands were shaking now, and he clasped them together to still them. Through the frosted window, he could see shadows moving—officers, detectives, people discussing his fate in terms he could not hear.
For the first time, he understood with perfect clarity: he was not in an interrogation room seeking truth. He was in a tomb. And the walls were already closing in.