Three generations grappling with a life-changing experience during one day of a vacation in Sintra, Portugal, a historic town known for its dense gardens and fairy-tale villas and palaces.

Chloé, a fragile young woman, falls in love with her psychoanalyst, Paul. A few months later she moves in with him, but soon discovers that her lover is concealing a part of his identity.

A doctor attempts to uncover the identity of a patient who died after she refused her treatment.