Dr. Aitamaa is spending holiday with his family at their summer villa. He accidentally reads a letter that was meant to his wife. The letter is from another man. Aitamaa follows his wife to the city and finds out that she has a lover. Later the wife is found killed and Aitamaa becomes the prime suspect.
| Directing | Matti Kassila | Director |
| Editing | Elmer Lahti | Editor |
| Writing | Juha Nevalainen | Screenplay |
| Camera | Kalle Peronkoski | Director of Photography |
| Sound | Osmo Lindeman | Original Music Composer |
| Art | Aarre Koivisto | Production Design |
| Directing | Ellen Pyhälä | Script Supervisor |
| Writing | Matti Kassila | Story |
| Production | T.J. Särkkä | Executive Producer |
| Sound | Kurt Vilja | Production Sound Mixer |