In the fourth installment of the fighting franchise, Boyka is shooting for the big leagues when an accidental death in the ring makes him question everything he stands for.
- Runtime: 86 min
- Released: 27 Jul 2017
- Genre:Action, Drama, Sport
- Starring: Scott Adkins, Teodora Duhovnikova, Alon Aboutboul, Julian Vergov
- Writer: Boaz Davidson (story), David N. White
- Director: Todor Chapkanov
- Available countries: Bulgaria, USA