A citizen offers the investigator a bribe to close a case... about bribery. But the events unfold in an unpredictable manner.
Sveta, her two children and stepfather Semen solemnly celebrate the birthday of the hero-submariner Victor - the first husband of Sveta, who went missing five years ago. Right during a toast to the birthday boy, he unexpectedly returns home and claims that all this time he was fulfilling the task of the Motherland.
