Boris "Kos" Kosinski (Eryk Lubos) is a top MMA fighter. In the biggest battle of his life with his greatest rival, Denim Takaev (Mamed Khalidov), he makes a mistake that destroys his entire career. He loses everything. This failure brings him through a series of ups and downs, but it also pushes him to undertake a titanic effort to fight and win back respect and love
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