Naples/Sorrento, mid 20s. A couple of small thieves conceive a scam whereby one of them dresses up as a eunuch Turk to care for the women of the family of a wealthy man. They end up messing everything up, with lots of gags and funny events in the meantime.

Count Karnstein sends for a doctor to help his sick daughter Laura. Her nurse believes she is possessed by the spirit of a dead ancestor, Carmilla. A young woman becomes intrigued by the mysterious deaths surrounding Laura after a carriage accident outside the castle forces her to stay. They become close friends until Laura becomes convinced the spirit of Carmilla is forcing her to kill.