Agents across the globe take turns spying on and double-crossing one another in an attempt to locate a valuable formula encrypted in the music code.
Length 90 minutes
Antonio Mayans | Lina Romay | Howard Vernon | Juan Soler | Ángel Ordiales | Eugenia Farach | Juana Plaza | Daniel Katz | Mari Carmen Nieto | Antonio Rebollo | Verónica Arezchavaleta | Ramón García | Miguel Casanova | Jesús Franco | José Llamas