Boyka: Undisputed, also known as Boyka 4, is the fourth installment in the Undisputed franchise, starring Scott Adkins as Yuri Boyka. This high-octane martial arts film delivers intense fight sequences, emotional depth, and a compelling story of redemption.

After escaping the brutal prison fights of his past, Yuri Boyka is now competing in professional underground tournaments, striving to prove himself as the ultimate fighter. However, during one of his fights, he accidentally kills his opponent in the ring.

Wracked with guilt, Boyka travels to Russia to seek redemption by helping the fighter’s widow, Alma. But to free her from the grip of a ruthless crime boss, Boyka must enter a deadly tournament where the price of failure is death.