Roman Kartsev

Old Prof. Preobrazhensky and his young colleague Dr. Bormental inserted the human's hypophysis into a dog's brain. Couple of weeks later the dog became "human looking". The main question is "Is anybody who is looking like a man, A REAL MAN?" (imdb)

A popular middle-aged writer is warned by a fortuneteller that he will die in exactly 24 hours. He then meets a man, who claims to be him. The writer uses this bizarre situation to change his life and take revenge.