(Владимир Ивашов в молодости - просто огонь.)

En "Corazón de perro" un médico que investiga el rejuvenecimiento humano implanta en el cerebro de un vapuleado, pero amable y reflexivo perro callejero, la hipófisis de un delincuente. El perro, lejos de rejuvenecer, se transforma en un ser humano física y moralmente repulsivo, que termina por afiliarse al partido comunista y consigue ser nombrado "subdirector del subdepartamento de limpieza de animales vagabundos", convirtiendo la vida del atribulado científico en una pesadilla.

Anatoli Yefremovich Novoseltsev works in a statistics institution, whose director is an unattractive and bossy woman. An old friend of his, Yuri Grigorievich Samokhvalov, who gets appointed assistant director of the institution, wants to make Novoseltsev the head of the department but encounters objections from Ludmila Prokopievna Kalugina, the director. Samokhvalov then advises Novoseltsev to lightly hit on the boss. Ironically, Novoseltsev and Kalugina fall in love with each other...

A film adaptation of the novel of the same name by Boris Blednyy. A graduate of the culinary technical school of the cook, Tosya Kislitsyna, a naive and eccentric girl, came to the village lost in the northern forests. She sticks her nose in all affairs, seeks to help everyone. She met Ilya on the day of arrival: the "first guy in the village" fell upon her indignantly, and in the evening, to brighten up an unpleasant meeting, she decided to "make happy" with an invitation to a dance and was refused. Not accustomed to refusals, Ilya argues with Filya that during the week he will fall in love with Tosya...