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.

Escaping death after a failed robbery, a reckless and dreamy writer abandons her delinquency to pursue her quest of recognition.

Johanie, the single mother of a dysfunctional family, takes a dim view of the arrival of Ian and his dog in the neighborhood. Like a trench dividing the two camps, the back alley becomes the witness of a rivalry where prejudice, fascination and frustration mingle slyly with the sound of barking.

Emma is an ambitious computer science student at the Academy of Advanced Technologies. When she develops Kairos, an artificial intelligence for her final project, she is unknowingly shaping the course of her own life, as it can generate statistical predictions to guide her in shaping her future… But at what cost?