Mike, an architect, is married to Lin, a beautiful and unfaithful woman. Returning from a trip, he finds she's disappeared. When he tries to locate her, he also learns about her many affairs, and he gets closer to Marina, his efficient assistant, who helps him solve the mystery.
| Directing | George Cahan | Director |
| Writing | Bill Barret | Screenplay |
| Writing | Winston Graham | Novel |
| Sound | Luiz Bonfá | Original Music Composer |
| Production | Herbert Richers | Producer |
| Production | Arnaldo Zonari | Associate Producer |
| Crew | Américo Hoss | Cinematography |
| Editing | José J. Serra | Editor |