Following a booking error, two families who are complete opposites, as well as a somewhat snobbish publisher and the influencer he wants to publish, are forced to share a sublime vacation home. The culture clash is immediate, between incompatible habits and strong personalities. Yet, despite the tensions and misunderstandings, this forced vacation takes an unexpected turn and turns out to be an adventure full of surprises and laughter.
Having cured the local café owner, Diogène Leguignon becomes convinced that he is a healer and possesses the fluid. His wife sees the benefits of this gift and urges Diogene to exercise his power, particularly on a wealthy old man, M. Coq. Arlette Leguignon, however, is in love with a young doctor, who is violently opposed to her future father-in-law. Leguignon ends up condemned and, disgusted, no longer wants to look after others. When Mr. Coq dies, making him his legatee, Leguignon has to contend with the Coq family. This time, Doctor Martinet comes to his defense. The inheritance is used to build a clinic where Leguignon can carry out his experiments as a magnetizer.
A railway worker, Leguignon, and his wife are forced to move into a house located in a shaggy part of town. What Leguignon doesn't know is that a group of children have discovered a treasure and keeps it stored in the house. Trouble ensues when he discovers the cache and tries to claim it as his own.