Businessman Gregory is in trouble. He found out that his wife was cheating on him. And she’s not just cheating, but is going to sail with her lover on a cruise on a comfortable ship. His faithful friends immediately responded to his request for help: Hera, Slava and Antonich. The four of them get on board the liner, but there they learn that the unfaithful wife has been locked up by her lover and her prospects are not at all rosy. Friends also have a hard time: the bloodthirsty oligarch Maretsky suddenly became involved in the story of adultery. And his personal security just can’t wait to throw his friends overboard. But things suddenly take an unexpected turn...