After the passing of director Jesús Franco the movie was finished by Antonio Mayans. It follows "Al Pereira vs. the Alligator Ladies".

One day a mysterious lady appears at Detective Henry Chandler's office who wants to know everything related to the Froggy, an extraterrestrial race that plans to invade Earth to find the Krown crown, which grants certain powers to control time. Unfortunately, Chandler is not a highly skilled detective.

A documentary about the filmmaker Juan Pinzás.