A new patient mysteriously appears in a psychiatric ward. He claims to come from another planet to study humans and their behavior. The alien is gentle but criticizes humans for their harsh treatment of each other. The assigned psychiatrist is himself unhappy, and affected by the patient's insight. But he is ordered to treat the patient according to institutional procedure.
Carla meets his boyfriend's family for the first time on Christmas Eve, but a small confrontation with Susana, her mother-in-law, and Susana’s special dish of vitel toné will take the evening to its breaking point.
