Galina Afonina was abandoned by her husband. In any case, she thinks so, because her husband has disappeared from her life. True, he sometimes appears in the apartment when Galina is not at home and eats sandwiches with sausage, cutting it off with a bread knife. The latter circumstance especially infuriates the neat Galina. Is this a sufficient reason to kill her beloved husband? Valery Afonin is found dead, and Galina is accused of capital murder. Faithful friend Lyusya Lyutikova goes in search of the real criminal so that justice will prevail...