Alice is a thirty-something woman married to João, has a son and is very successful professionally. Alice is the typical workaholic, whose work is her largest and only pleasure. On the other hand her personal life does not exist: no sexual activity, zero libido, zero personal life. The lack of a sex life in Alice's life is overflowing in Marcela's, her stunning neighbor. A true expert on the subject, Marcela is the owner of a sex shop and knows everything when the theme is the search for pleasure. Like in the typical comedy of errors, the lives of Alice and Marcela will cross and both will undergo huge transformations after this encounter.
The publicist Claudio and the housewife and choral teacher Helena have been married for many years, but they do not understand and respect the feelings and view point of the partner. Claudio sees Helena as a shopper and "little teacher of a choral" and Helena sees Claudio as an insensitive and rough man. On the night before the fiftieth anniversary of Claudio, they changed places with each other.