A young film director invites a friend to his home to propose him to participate in his next short film, a free adaptation of the painting: The Passage of the Styx Lagoon.

Fifty years have passed and Julio still hasn't managed to get over the disappearance of Miguel, the actor starring in a film they made together when they were young. In an attempt to reconstruct what happened, Julio sees some tapes he filmed while they were shooting and decides to write a farewell letter to Miguel's ghost.