A prestigious Paris doctor is tempted by a woman he knew in his youth, whose politician husband has neglected her.But will he in turn neglect his duties toward work and family?

Tonio, pretty Micheline's fiance, meets Georgia ,a gypsy who makes advances to him.

The strength of a couple's fascination with airplanes and flight is to the detriment of their family.

Luc Froment, a reform-minded engineer, starts working at a steel mill in a small town. There he founds small groups of workers (and their families) under miserable conditions. Under the influence of Fourier's ideas, Froment tries to turn the mill into a workers' co-operative.