East End loan shark Nick Biaggi (Herbert Lom) is supplied attractive down-on-their-luck girls from Europe to bring to London to work as prostitutes. One of his cohorts is ‘madam’ Aggie (Brenda De Banzie), who finds such a girl in Paris, poor French waif ‘Malou’ (Odile Versois), and persuades her to come to England to work as her companion. To avoid requiring a work permit, Biaggi tricks honest Canadian taxi-driver Johnny McVey (Eddie Constantine) into marrying Malou so she gains a British passport.
After the wedding, Malou returns to Aggie’s and discovers a joining door to the brothel next door, and see’s working girl Vicki (Diana Dors) picking up a guy on the streets. She attempts to flee but Biaggi decrees that she will be forced into prostitution with a high-class client. Meanwhile, cab driver Johnny begins to shown some concern for his faux-wife, and when Biaggi’s hoods attempt to scare him off by beating him he,he calls on the cabby community to help find Malou. When Malou fails to submit to Biaggi’s demands, he tires of trying to force her and decides she must begot rid of. —Britmovie.co.uk