Two couples, Marc and Anna, from Spain, and Hans and Olga, from Germany, swap their homes for vacation.
Alice Gould, a private investigator, pretends to be mentally ill in order to enter a psychiatric hospital and gather evidence for the case she is working on: the death of a patient in unclear circumstances.
The Vidal family is spending a summer on Catalonia’s gorgeous Costa Brava with their Alzheimer-affected grandmother Ángela. Overprotected and shy, 14 year-old Nora goes through a difficult time after her parents’ separation, but what looked like another tedious, sad summer for Nora, turns into a dangerous coming of age experience with the arrival of Libertad, the wild 15-year daughter of Ángela’s Colombian caretaker.
An unemployed executive is forced to sell his apartment. When he discovers that he still has the keys, he becomes obsessed with the family that now lives there and decides to recover the life he has lost, at any price.