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The story revolves around Yuri Boyka, a skilled fighter who accidentally kills an opponent in the ring. Feeling guilty, he embarks on a journey to seek forgiveness. He encounters a woman named Alma, whose husband's dream was to run a community center. Boyka helps Alma by fighting in underground matches to pay off her debt. He faces various opponents, including the champion Igor. In the final fight, Boyka defeats Igor but is then forced to face another champion by a gangster named Zorab, who changes the terms of their agreement.
1. The main character, Yuri Boyka, has shaken faith and accidentally caused the death of an opponent during a fight.
2. He embarks on a journey to pay for his sins, seeking forgiveness.
3. The story is set in a clandestine arena in Kiev, Ukraine.
4. Boyka practices a prayer ritual before each fight.
5. He is a professional fighter known for his precise and powerful blows.
6. He wins a fight in a maximum security prison and receives a standing ovation.
7. He is faced with Russia's most monstrous fighter, Kochmar, in another fight.
8. He attends church to donate some books and receives a warning from a priest about seeking salvation.
9. He is classified for the European championship and is set to participate in a tournament in Budapest.
10. He is involved in a fight that results in the death of his opponent, Victor.
11. He feels guilty about the death and decides to visit Victor's widow, Alma.
12. He rents a room in Drone, Russia, and hangs a crucifix on the wall.
13. He visits Alma at her workplace, a clandestine arena, and talks to her.
14. He is challenged by Zorab, a gangster, who threatens him if he tries to talk to Alma again.
15. He agrees to fight in Zorab's arena in exchange for Alma's freedom.
16. He trains at a community center and prepares for his fights.
17. He faces multiple opponents in clandestine fights but manages to win each one.
18. He faces Zorab's champion, Este Mar, in a final fight and manages to defeat him.
19. Despite winning, Zorab doesn't keep his word and sends his guards to attack Boyka.
20. Boyka manages to fight off the guards and kills Zorab.
21. He is arrested and sentenced to a maximum security prison.
22. After six months in prison, Alma visits him and forgives him.
23. He feels at peace again and thanks her for her forgiveness.