A mysterious woman recruits bank teller Ludwig Dieter to lead a group of aspiring thieves on a top-secret heist during the early stages of the zombie apocalypse.

Clem follows the life of a young teenager, Clémentine, who becomes a mother at the age of sixteen, at the centre of tensions between her parents and Julien, the father of her child Valentin. It deals with the problems of teenage life and that of a mother with a strong personality.