Boyka, a skilled martial artist and boxer, is on the path to glory when a tragic accident in the ring forces him to question everything he stands for. He discovers that the wife of the man he accidentally killed is in danger and decides to fight for her freedom. Boyka must face off against ruthless gangsters and brutal opponents in a series of impossible battles to save her from a life of servitude. Despite the odds against him, Boyka perseveres and fights for what he believes in. In the end, he emerges victorious and earns forgiveness from Alma, the woman he set out to save.

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Some movies that have similar genres and were produced around the same time as Boyka: Undisputed IV include The Outpost, Dune: Part One, Hyena Road, How I Live Now, Ford v Ferrari, Rush.