Ali Osman is a retired Kabadayı (old school gangster) who learns that he has a son Murat. Murat works in a bar and his girlfriend Karaca also works there as a singer. Murat has a run-in with a Mob Boss named Devran who tries to shut down the place. From that moment on, Devran swears to avenge Murat and Karaca and it is up to Ali Osman to protect them.