Apartment Zero (1989)

In "Apartment Zero," set in Buenos Aires, the film follows the isolated and eccentric film buff, Adrian LeDuc, who runs a failing movie theater. Adrian's world is disrupted by the arrival of a charming tenant, Jack Carney, who infiltrates Adrian's life and interests. As the two form an unlikely bond, dark secrets and sinister events begin to unravel, leading to a shocking climax. The film delves into themes of obsession, identity, and the blurred lines between reality and fiction.