Vero, a psychologist who is conducting research for her new book. However, in the middle of the research process, Vero was involved in a mysterious murder case. On the other hand, Bara is caught in a complicated situation while trying to uncover the mystery behind the murder case.

A long-distance bus is assaulted, and in the tragic event the wife and son of a well-known lawyer die. After three months of rest, he leaves the hospital, with only one thing in mind: to avenge the death of his loved ones.