Xavier is a 40-year-old father of two who still finds life very complicated. When the mother of his children moves to New York, he can't bear them growing up far away from him and so he decides to move there as well.
Set in 1958, Populaire focuses on Rose Pamphyle, who lives with her widowed father and is destined to marry a son of the local mechanic. Rose travels out of town and applies for a secretarial job with an insurance agency run by Louis Échard. Louis learns that Rose can type with extraordinary speed -- using only two fingers -- and he tells her to compete in a speed-typing competition if she wants the job.
Newly divorced lawyer Nathan Del Amico is shaken up after he meets a doctor who claims that he can sense when select people are about to die. Though he doesn't believe the doctor, events in Nathan's life slowly make him think he's not long for this world.
Molière, a down-and-out actor-cum-playwright up to his ears in debt. When the wealthy Jourdain offers to cover that debt (so that Molière's theatrical talents might help Jourdain win the heart of a certain widowed marquise), hilarity ensues.
Like his father, Tom is a real estate agent who makes his money from dirty, and sometimes brutal, deals. But a chance encounter prompts him to take up the piano and become a concert pianist. He auditions with the help of a beautiful, young virtuoso pianist who cannot speak French - music is their only exchange. But pressures from the ugly world of his day job soon become more than he can handle...
The charismatic criminal Dobermann, who got his first gun when he was christened, leads a gang of brutal robbers. After a complex and brutal bank robbery, they are being hunted by the Paris police. The hunt is led by the sadistic cop Christini, who only has one goal: to catch Dobermann at any cost.