Delirium (Le foto di Gioia, lit.) is a 1987 Italian giallo film starring Serena Grandi, David Brandon, George Eastman and Daria Nicolodi. Gioia, a centerfold model for the adult Pussycat magazine. She is harassed by a killer who sends her photos of her co-workers with her own erotic photography in the background.

A former model runs a successful men's magazine. An obsessed admirer systematically slaughters her models (occasionally increasing the magazine's output). Will she be the psycho's next victim?