Bored with their marriage, the architect Marcelo proposes his wife Ana, a relation to three, with another sexual partner. The woman accepts, but the situation escapes from Marcelo's control because Ana engages lovingly with each other, and Marcelo no longer fits in the triangle proposed.
Two friends discuss their love adventures, and the emptiness ensuing each new conquest.
A man explores the process of formation of sexuality and is looking for a woman that does not exist.
