Eduard Filin arrived in the regional center, where he clashes with the famous jockey Belov, whose arm he broke. Belov cannot perform at important races organized by the crime boss Safin. Under Safin’s pressure, Filin is forced to participate in the races instead of Belov, who is introduced to Marina, the owner of the best horse nicknamed “Diamond”. There are huge bets on the betting. Filin is faced with a choice: to reach the finish line first and get involved in a new conflict, or to give in and earn money, and he makes his choice...