Due to costs, the studio gave Reed two options: shoot in Spain using color film stock or on-location in Cuba using black-and-white footage. Seeking authenticity for his film, Reed resolved to stage the production in Cuba.
— Brian Eggert (Deep Focus Review)
Synopsis: Jim Wormold is an expatriate Englishman living in pre-revolutionary Havana with his teenage daughter Milly. He owns a vacuum cleaner shop but isn’t very successful so he accepts an offer from Hawthorne of the British Secret Service to recruit a network of agents in Cuba.