The events take place in a time when former special forces soldiers, who have become combat swimmers, serve in a new team. Each of the heroes has their own difficult fate, their own character, but nevertheless, there is something that binds them together with strong bonds. First and foremost, it is their duty to their homeland and loyalty to the common cause. Each episode is dedicated to one of the heroes. The central plot revolves around Bati, Bagira, Gnom, or Bison. How will these brave fighters appear outside of their work?