Forty-something Mattia has every woman in town lusting after him. But every time a woman wants to get hitched, he drags out his 'daughter' (actually the girl next door) to pass judgment on this woman.
A psychiatric-clinic medical director runs some tests on two patients, the Ragionier Antonio Vignanelli and Cavalier Peppino Caprioli, so they must retrieve some memories of family life in order to understand their mental illness.
Pasquale takes all of his 12 children and runs away from Monza, looking for a house of a wealthy and generous awning. Having met on the way impoverished peasant, Pasquale takes him also, having granted the rank of "Half-Monk" and thus having gained rustic, but a reliable friend.
A vicious serial sex killer is on the loose, and landscape gardener and shop-window outfitter Loris is the prime suspect, thanks to his unfortunate habit of getting caught in compromising situations (for which there is always a totally innocent explanation that the police fail to spot). Undercover policewoman Jessica is assigned by eccentric police psychologist Taccone to follow Loris.
When his wife wants a divorce -- in preference of a romantic Frenchman -- husband Livio seemingly accepts. But when he sets up a last weekend together with his secretary and his wife's lover, the trip turns out to be part of an elaborate plan to win his wife back.