Maxim Kaverin, who served time in prison on a trumped-up case of double murder, is released and returns to his native seaside town. There he finds out who actually committed the double murder and framed him. These turned out to be corrupt officials from the city administration. Maxim intends to take revenge on the scoundrels. Like a pirate, he, along with his loyal friends, goes out to the open sea, where he begins to board the luxury yachts of his offenders. So the girl Rita, the niece of a local oligarch, gets taken hostage by him, who, having learned about the dramatic fate of Maxim, announces her desire to join the “pirates”...