Bartkowiak (2021)

A young guy who devoted his whole life to boxing, and then became a professional fighter in MMA. He performed at various competitions, won victories and was able to win the love of the audience of this sport. The main character grew up in a prosperous family, he never needed anything, which is why a career as a professional fighter was primarily not an income item for him, but a real dream, which assumed to become the best in the history of MMA. However, his fate one day changes its direction vector at the moment when grief came to the family, because his own brother tragically dies. After the incident, he closes himself in, which affects professional performances in the cage. Realizing that there is no way to return to that former form, the main character decides to leave MMA and take over the management of the family business, eventually becoming the owner of a nightclub. Some time passes and a desperate fighter learns that his brother's death is not an accident at all, but a carefully planned murder.