A story about twin brothers from a family of hereditary military sailors. Their father, a brave sea captain, dreams that his sons graduate from the legendary Nakhimov school and continue the family dynasty in the navy. However, the guys themselves do not think about the sea service at all. Like most teenagers today, all they want is fun and easy money. These desires lead the heroes to the gang of the local "leader" of youth, from which it will be extremely difficult for them to get out without the support of their native school.