Damian visits a gang boss in a secret warehouse to collect his share of illegal merchandise. The boss suspects Damian is acting suspicious and reveals that there is a snitch in the gang. To Damian's surprise, the boss exposes him as an undercover cop. In a fight for survival, Damian uses his gun and martial arts skills to defend himself. After defeating a group of thugs, Damian is hit by a car but survives. He later discovers his wife has been killed by the gang. Years later, Szymon, a teacher, faces the tragic consequences of addiction within his school, leading to a call for help from his friend Damian.