Ombline, a 20-year-old woman, is sent to prison for three years after committing a violent assault on a police officer. Just when she has lost all hope for the future, she discovers that she is pregnant. The law allows her to rear her newborn for the first 18 months of its life, after which time the child must be given up and placed into state care. Ombline has no intention of surrendering her beloved little boy and is prepared to do anything to convince the authorities that she is capable of rearing the child after she has left prison. As her maternal instincts assert themselves, the young woman finds she has a cause worth fighting for, and an opportunity to rebuild her shattered life…

Three half-brothers are reunited at their mother's funeral. After being told of their inheritance they quickly spend the money, only to find out that they will not receive it after all. The men grow closer while deciding how to proceed.

A man and a woman quarrel over an old building, a heritage they share. Their opposing characters make the situation conflictual.

Julien, an honest policeman, is asked to infiltrate a terrorist organization. He soon meets the charming Brigitte. But soon, manipulated by his superior, Julien finds himself involved in a dangerous affair: a gigantic campaign of intoxication.

Raised by his science teacher father, Joseph Pagnol, and seamstress mother Augustine, young Marcel grows up during the turn of the century in awe of his rationalist dad. When the family takes a summer vacation in the countryside, Marcel becomes friends with Lili, who teaches him about rural life.

Loïc, a chestnut seller, has a mistress who wants a baby. Not daring to admit to her that he had the mumps late in life, he finds other excuses. Until the day he meets Claire, an old girlfriend, who has a little boy. Loïc finds the resemblance between the little boy and himself enormous and is convinced that he is his father...

The film follows the villain “The Serpent” in his fight to conquer the world at any cost. Close to the best B series, Yaccelini runs through its plot of scientists, chases and highly suspenseful endings, aware that the most intense adventure is the one that never manages to hit the brakes.