Destiny forces three sisters to reunite 30 years after their last meeting. Having grown up in a commune founded by their father, today they lead lives marked by the traumas of their childhood.
In the fall of 1994, 15-year-old Simon went to the convenience store and never came back. The next day, the body of the teenager is fished out of the river. 27 years later, his younger sister Élise tries to understand why he threw himself off the bridge. Helped by Philippe, a charismatic pastoral animator who led Simon's self-help group, she discovers that everything is always more complex than it seems.
Faced with the trials and obstacles of life, the tight-knit community of Ste-Adeline has always remained united. But this time it's in shock and will have to face a situation that will confront the inhabitants with their contradictions. At the center of the scandal, Magalie, a teenager with a childish pout, Manuel, the adopted child of the village's emblematic mayor, and Isabelle and Chantale, protective mothers but powerless witnesses to a predicted tragedy. In Ste-Adeline, appearances are deceptive and the layers of a carefully maintained social veneer end up cracking, revealing the true nature of the inhabitants of this peaceful little town.