Tony quiere aprovechar la celebración de las 24 Horas Motociclistas de Montjuïc para llevar a cabo un robo perfecto de que obtendrá mucho dinero. Para llevarlo a cabo cuenta con la complicidad de Pedro, un corredor que aspira a pasar al nivel profesional. Todo es planeado minuciosamente, pero en el último momento se comete un crimen y Pedro queda encerrado en la casa de la víctima sin poder salir al haber sido cerrado con llave el portal que da a la calle. La única posibilidad de ayudar a Pedro está en que Tony consiga una copia de la llave que lleva consigo Carmen, la joven que cuidaba a la víctima, antes de que ésta vuelva al domicilio.

1973 film directed by José Antonio de la Loma Hernández

Saturnino, a young archaeologist, bourgeois and wealthy, lives in a luxurious mansion. He receives a visit from his old teacher, Don Felipe, accompanied by his daughter and a monumental mummy he has just discovered in one of his excavations in the Upper Nile. The Mummy, was in his time a princess and has on his bandages a curse, that when it breaks ... it will be dedicated to chasing and raping all the men it finds in its path.

A man's body turns up on a Barcelona beach with a message tattooed on his arm: "I was born to revolutionize hell". Detective Pepe Carvalho is put in charge of the case, taking him from the back streets of Barcelona to the Amsterdam canals, with no effect whatsoever on his peculiar investigation methods.