To quickly forget about the unsuccessful romance, Maryana went on a tour of the Mediterranean on a luxurious, ultra-modern yacht. On board, she learned that the cruise would be special - travelers must imagine themselves as detectives and investigate the case proposed by the organizers. However, everything did not go according to plan: crimes began to happen one after another, and the invented detective story turned out to be the most real for tourists! But Maryana was lucky - she got the captain of the yacht, the irresistible handsome Oleg Vedeneev, a lonely sea wolf, as a partner...