The Samurai in Autumn (2016) online

The Samurai in Autumn is a social melodrama with laughs, tears and heartbreaks and lot of fistfights. It's a story of a karate champion who falls from grace after being caught in a doping scandal. He returns to his birthplace, a small town in Serbia and finds redemption by falling in love with a single mother whose son participates in his karate class. Unable to maintain a lifestyle, he secretly enters the underground fighting circuit and risks losing it all.