École Marie-Labrecque is a one-of-a-kind institution: The 60 girls who study at the school are all between the ages of 12 and 17, and they're all pregnant or new mothers. The school's mission is twofold: to give them an education and to prepare them for motherhood. It's It's a huge challenge and they have only a few months to get ready.
After years of keeping his detectives at the headquarters, the Montreal PD has decided to reassign them to neighbourhood precincts in an effort to get closer to the population. Nadine Legrand and Patrick Bissonnette have to find their footing in their new work place: District 31.