Passion, obsession, wealth, jealousy, family, guilt, and creativity. In Madrid, Harry Caine is a blind screenwriter, assisted by Judit and her son Diego. The past comes rushing in when Harry learns of the death of Ernesto Martel, a wealthy businessman, and Ernesto's son pays Harry a visit. In a series of flashbacks to the 1990s, we see Harry, who was then Mateo Blanco, a director; he falls in love with Ernesto's mistress, Lena, and casts her in a film, which Ernesto finances. Ernesto is jealous...

After an attack renders her blind, Ellen Ashland withdraws from the world to recover. But soon she plunges into paranoia, unable to convince anyone that her assailant has returned to terrorize her by hiding in plain sight.