The film tells the story of a kind of depraved Dr. Mabuse who takes advantage of his status as a healer to kidnap women who come to consult him in the hope of being cured of various so-called female ailments.

Aloïs de Snefeler, a maniacal executioner, dotes on his companion. She goes by the sweet name of Louise and does her father, Dr. Ignace Guillotin, proud. At the widow's feet, heads roll. But not just any heads... The executioner's favorite prey is female. Thieves or adulteresses, magpies or impious women, peasant women or courtesans, they all end up with their heads in the basket. Around Aloïs, the ranks are thinning, but beware! ... He who cuts last cuts well!

Madness has reached its peak in Wallonia.

But why did the sacristan of Obaix devour his father, his mother, a number of women, and his cat? Joseph Charles, sacristan of a small town in French-speaking Europe, loses his wife in highly mysterious circumstances. On her deathbed, she left him a child, whom the sacristan gave to a charity. Living alone since his wife's death, the sacristan is no longer able to cope with the daily grind of his poor existence. The sacristy has become a veritable pigsty and the housework is insurmountable.

The husbands set out in search of their wives, who have been kidnapped by Doctor Loiseau and his accomplices. The latter is hiding in a secret hideout. Still assisted by Irene the hunchback, the charlatan doctor leads a team of workers tasked with producing bottles of the precious miracle elixir 'Force Unie'.

Denounced by a rival doctor, Dr. Loiseau is once again being pursued by the husbands of the women he kidnapped. He therefore instructs his son Victor to honor his appointments. Victor must meet Emir Azmir Krabouk, a criminal specializing in white slavery, on a sailboat. Jacques Ladrier, one of the husbands and a wealthy oil industrialist, is about to marry Angèle Jaucaut, his newly freed fiancée. Dr. Loiseau takes advantage of the ceremony to kidnap a few more women...