Hyun-tae, In-chul and Min-soo have been best friends since childhood. Their relationship is forever changed after Hyun-tae's mother asks In-chul to commit insurance fraud by destroying her arcade.
When Jung-ha loses her husband in an accident, Naru, her husband's secret lover, comes to her. Naru begs Jung-ha that she will do anything if only she will let her stay at her house. Jung-ha denies her at first, but eventually their strange arrangement of living together begins.
In-ho is willing to do anything to protect his first love, Mi-ju, including murder. They cannot forget each other while In-ho is in prison, but their love does not go smoothly.
Woo-jae and Yeon-soo had been platonic friends for years when they went their separate ways. Now, ten years later, they bump into each other again and are forced to re-think things. Will they have the courage to risk their friendship for love?
