Bárbara Lennie, Eduard Fernández, Loreto Mauleón, Javier Beltrán, Pablo Derqui, Federico Aguado, Adelfa Calvo, Antonio Buíl, Dafnis Balduz, Lluís Soler, Samuel Soler, David Selvas, Francisco Javier Pastor, Luis Sacristán, Vicente Vergara
Alice Gould, a private investigator, pretends to be mentally ill in order to enter a psychiatric hospital and gather evidence for the case she is working on: the death of a patient in unclear circumstances.