Lucas de Vicente

Toni, a 23-year-old who remains infantilized, is determined to fix the toilet before his mother's party, but his younger brother and mother are not entirely on board with the idea. He needs to be gotten out of there, and that is no easy task. Toni wants to prove his worth, and he is also grieving the loss of his hamster, Walter; his mother and brother have kept the death a secret from him. Toni will eventually discover the truth.

Un germà explores the emotional and physical distance between two brothers, through archival footage and present-day material, the film blends past and present to show the difficulties they face in reconnecting.