A biologist, obsessed with the idea of writing a treatise on a new kind of mouse, becomes witness to a number of bizarre and horrific events, from his son's suicide, to the S&M engaged in by respectable middle-aged men, to his own family's psychic morbidity.

• Lenfilm
• The Experimental Studio of the First Film
• Ivan Ganzha
• Anatoly Egorov
• Maksim Gribov
• Lyudmila Kozlovskaya
• Boris Ilyasov
• Valeri Krishtapenko