Alberto Ramos, known as "the best photographer in Lisbon", is also a famous medium, who combines his professional gift with a libertine life and with access to the wealthy classes. Margarida Malveira, a wealthy 50-year-old widow, consults him in the hope of contacting the great love of her life, who died three decades ago. After a session, the spirit of Margarida's husband possesses Alberto's mind, forcing him to take care of his wife.