NEMESIS is a dark psychological crime story set in London, centered around a mysterious serial killer who has managed to escape the police for years. The killer leaves almost no evidence behind, turning every investigation into a deadly mind game. Taehyung, a brilliant but obsessive detective, becomes completely consumed by the case. Solving the murders turns into more than just a job for him — it becomes an unhealthy obsession that slowly destroys his personal life. At the same time, his relationship with Jungkook, his emotionally distant husband, is falling apart. Jungkook is tired of being ignored and left alone while Taehyung prioritizes work over everything else. Their relationship becomes cold, tense, and filled with silence, unresolved emotions, and emotional exhaustion. As the investigation progresses, hidden secrets, psychological trauma, and disturbing truths begin to surface. The line between victim and criminal slowly becomes blurred, making everyone seem suspicious in one way or another. Jungkook was in a mental hospital. He's cold, distance.