China Valdes joins the Cuban underground after her brother is killed by the chief of the secret police, Ariete. She meets and falls in love with American expatriate Tony Fenner. Tony develops a plan to tunnel under the city's cemetery to a plot owned by a high official, assassinate him, and blow up the whole Cuban hierarchy at the ensuing state funeral. Together with a band of dedicated revolutionaries, they begin digging.
as China Valdés
as Tony Fenner
as Armando Ariete
as Guillermo Montilla
as Chief
as Miguel
as Ramón Sánchez
as Toto
as M. Seymour
as Consuelo Valdés (uncredited)
as Señor Muñoz (uncredited)