Barbara is a criminal psychologist who becomes the victim of an express kidnapping. After her abduction, she works as a negotiator in cases like hers to find the people who almost took her life.

In a summer mansion in the Costa Brava, a young domestic worker has to serve two rich kids while they enjoy their summer. Amongst cocktails, drugs and dishwashers, she will look for her own way of having fun.

Suddenly, Clara, Mónica's daughter, falls into a deep coma. With Clara left to die, a mysterious man proposes Monica to make a pact: Clara will be saved if Mónica does something for him.