The fake private detective Mike Spillone is hired by two old ladies to find out if Brigitte, the wife of their nephew Otello Bellomo, has a lover. Brigitte is a physician but the two aunts are unaware of the fact. While investigating, Mike and his assistant Johnny discover Brigitte with a prospective patient, the marquis De Vitti who was shot by the husband of the woman he tried to seduce. Afterwards Spillone finds her with her husband who he believes to be her lover.
Genres:
Totò as Michele Spillone detto Mike
Vittorio De Sica as Marchese Vittorio De Vittti
Abbe Lane as Dottoressa Brigitte Baker
Titina De Filippo as Madre del marchese De Vitti
Germán Cobos as Avvocato Otello Bellomo
Agostino Salvietti as Gennaro
Rafael Bardem as Professor Elia Vagoni
Franco Coop as Il maître della 'Conchiglia'
Fulvia Franco as Caterina
Dante Maggio as Cameriere
Pierre Mondy as Romeo
Luigi Pavese as Capo dell'agenzia investigativa
Amelia Perrella as Ida
Benedetta Rutili as infermiera
Tecla Scarano as Zia Ada Barbalunga
Teddy Reno as Self
Darry Cowl as Egisto
Arturo Bragaglia as Il signore al comizio (uncredited)
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