Seven years after his triumph in Cuba, Che winds up in Bolivia, where he tries to ignite the same revolutionary fires as before.

Marga and Pili are friends and live in the same town. Marga dreams of getting her driving license, buying a car and leaving town forever. While that day arrives, she and her friend take advantage of Hortensio's car to take them and bring them. And they make good use of it! One day Marga becomes pregnant: her particular contraceptive method has not worked.

Private detectives Inés, Eva, and Carmen often invade others' privacy but are clueless about confronting their own secrets. While on the job, these three surveillance specialists will have to cross the thin line dividing public and private matters, bringing their own issues to light in order to solve more than just their professional cases.