In his forties, graying, rich and athletic, Silvio has all the makings of a successful playboy. When he and his wife Daniela welcome a new housekeeper, Marcia, a pretty redhead who has just entered her twenties, no one is surprised to see her succumb to Silvio's charm. She soon dresses as a maid and does her work half-naked, to better excite her new lover... Everything changes when a story about surveillance cameras threatens to disrupt this adulterous affair. Will Silvio manage to allay Daniela's suspicions? And, above all, will he be able to do without the devastating sex appeal of his cleaning lady?

The maid Marcia has become the mistress of Silvio, a married man much older than herself... But the bastard will find it hard to keep this relationship a secret, especially as he's unable to resist Marcia's dream body!