1950s Madrid: The agoraphobic Montse raised her now 18 y.o. kid sister. The upstairs neighbor falls down the stairs and breaks a leg. The crazy Montse takes him in.

Atticus goes to Mexico to unravel the reason behind his his son's suicide. As he tries to overcome his own feelings over his son's death, Atticus discovers it might not be a suicide at all and tries to uncover the mystery.