A human melodrama in which a woman who is terminally ill and a man whose life is in the gutters are entangled in a murder case and become someone precious in each other's life.

A police detective who loses everything to a criminal organization seeks payback when he gains special abilities through biotechnology.

Jae-ho, who aims to become the number one in a crime organization, gets to build up trust with Hyun-su, an ambitious newbie in the prison. While they try to take over the organization after the prison release, their ulterior motives starts to emerge.

Two best friends, So-yool and Yeon-hee, dream of becoming the top artists in Seoul together. But their friendship doesn't last long as Yoon-woo, So-yool's first love and songwriter, falls in love with Yeon-hee and her voice. So-yool's feeling of jealousy and inferiority towards Yeon-hee grows by the day, and she eventually makes a drastic decision to bring the two lovers down.

On the way to his mother’s funeral, a detective accidentally hits a person with his car. He takes the body with him and puts it into his mother’s coffin. The moment he feels relieved, he receives a call. This caller insists that he saw the detective’s hit-and-run, but instead of asking for money, he wants to know about the body’s whereabouts, leading to a do-or-die showdown of the witness and detective.