Ugo Fantozzi has been ejected from Heaven and is sent back to Earth for a short period of time until the staff in Heaven can get Fantozzi a place there. Fantozzi goes through a variety of unfortunate experiences, such as rescuing his retro punk granddaughter Uga, and having to pay a vast telephone bill due to frequent chat line conversations. He ends up getting arrested instead of his ex-boss, who was originally charged with corruption. Just as he is about to enjoy the World Cup Final with Italy, he is called back into Heaven. Can he find peace once again?
Carmelo and Maria have a baby girl. He wants a boy but another pregnancy would risk Maria's health. Eventually, Carmelo leaves Maria and she attempts to win him back.
A prisoner is forced to serve as a doctor's assistant, giving her a front row seat for the horrible goings-on. There's the experiment to revive Nazi soldiers who have frozen to death by having nude women rub their bodies all over the corpse (that one works), and the experiment tries to "cure" homosexual men by having nude women dance for them. This is only some of the horrors that are going on there.
A decadent countess (Françoise Prévost), middle-aged but still attractive, forces her young and timid daughter (Agostina Belli) to marry a rich butcher. But the couple’s sexual relation is troubled, because the girl has her fair share of inhibitions. So she abandons her house and seeks refuge at her sister’s place. During her absence, her husband finds consolation in his mother in law’s arms.
Having casually overheard a confusing phone conversation between two women, Alberto manages to get in touch with one of the callers, Claudia, a painter. The two become lovers and things are spiced up by Claudia's ambiguous sexual nature and by the presence of her former lover, Pietro. Alberto discovers a pistol in Claudia's handbag and this leads to a further revelation: she's dominated by her stepmother Greta, who forced her into a clandestine lesbian relationship; of which Claudia is ashamed and wants to end - at all costs. Alberto, now a slave to love, runs Greta over. But Claudia denies urging him to murder...
