
The plot follows a private detective, an ex communist and former CIA agent, who travels from Barcelona to Madrid to discover the identity of the assassin of the leader of the Spanish Communist party who was stabbed during a blackout while presiding over a meeting of the party's central committee. The film is a thriller with ironic political overtones.
Vicente Aranda
José Cerro
Esparza Julvé

Francisco Vidal
Cerdán

Juan Jesús Valverde
Alcalde
Ramón Durán
Mir

Juan José Otegui
Lecumberri