Summer 1985. As every year, Rodri travels from Catalonia to Galicia and is reunited with his four friends. As real-world problems begin to undermine their friendship, the five of them embark on a nighttime adventure in search of a mythical object.

Marga receives Rebeca, a patient tormented by disturbing dreams, at her psychology practice. Rebeca reveals that a mysterious man is haunting her nightmares. When Marga sees a drawing of him, she recognizes the person, because several patients have come to her with the same problem.