Many years have passed since Potap Krainov was convicted of a theft that he did not commit. During this time, he managed to serve his sentence, get out of prison and become a respected and wealthy businessman. But forgetting about the tragedy that happened in the past is beyond his strength. After all, while he was in prison, his only close person died - his beloved sister, and, according to Krainov, former friend Anton Khitretsov had a hand in her death and in accusing Potap of theft. Krainov asks his new acquaintance Polina Kazakova, better known in the city as Miss Robin Hood, to help punish the offender and restore justice...