Captain Petrovich saw a lot of things during his service in the criminal investigation department. But so that such “Latin American” intensity of passions... The corpses of a young husband and wife were found in the apartment - they were hacked to death with an ax at night. And on the next floor, it turns out, that same night the wife’s sister, who had long been partial to her husband, was having fun with her lover... And the lover, it turns out, was passionately in love with the murdered woman... So figure it out - who, whom and for what! And Petrovich gets on the trail. He is obliged to unravel this matter at all costs. And not only because it is his professional duty and a matter of honor. The captain really liked the sister of the murdered woman...