An opinionated and cocky bookkeeper is certain he can rum his employer's business better than his employer can. The latter dive the bookkeeper a chance to demonstrate his management ability and skills, and promptly makes an unmitigated mess.
A father allows himself to be accused of the murder of a blackmailer to save his son who is the real murderer. But he is forced to confess, and commits suicide in his cell.
The family Pont-Biquet is composed as follows: father, the judge, afflicted by deafness; authoritarian and irascible mother; funny son-in-law; an ingenious son who has a mistress.