The corpse of a man in a dressing gown with a broken head was found in the apartment of businessman Dmitry Maltsev. Nearby is Dmitry’s wife Inna, covered in blood and on the verge of fainting. According to neighbors, the couple often quarreled. Another murder out of jealousy... It seems that he is about to be solved without delay, and the woman will confess. However, every minute the matter becomes more complicated and mysterious. It was not Dmitry who died at all, but his brother, who had recently returned from prison. Inna actually confesses to the murder, but... of a completely different person!