aka A Big Love. Carlo and girlfriend Marisa live together with elder brother Nino in Nino's villa. Nino has difficulty in having a relationship with women and spends most of his time watching TV. Marisa tries to help Nino by asking her niece Giusy to come stay at Nino's villa and seduce him. Giusy has difficulty in getting Nino to go all the way when in bed with him. Finally it's up to Marisa to seduce Nino. Marisa succeeds in making Nino horny and all's well that ends well.