Queens of the Ring (2013) on Netflix

Plot summary

Rose is thirty, works the checkout at a supermarket and has a criminal past. Her son Mickaël is eleven and lives with a foster family. He blames his mother for their long separation and would rather be with his school friends. Rose learns that he is crazy about wrestling, and she thinks she has found a way to reach him. She joins a training program to learn to wrestle, and she asks the checkout girls at the store where she works to come with her. Three of them agree, and the tag team they form is called the Queens of the Ring.