Juliette, a woman who has spent the last 15 years in prison, is released and moves in with her younger sister, Léa, who lives with her husband Luc and their two adopted Vietnamese daughters. The sisters' reunion is awkward and strained, as they have been estranged for many years due to Juliette's incarceration. Léa is eager to reconnect and help Juliette reintegrate into society, but the emotional scars and societal stigma surrounding Juliette's past crime create significant hurdles. As Léa tries to balance her domestic responsibilities with aiding her sister, Luc remains wary and the children are curious about Juliette's presence.

Juliette struggles to find her place in the world, dealing with people's judgment and her own traumatized psyche. Léa grapples with understanding the full extent of what led to Juliette's imprisonment, which she was too young to fully comprehend at the time. Changes ripple through their family dynamics, as Juliette slowly opens up about her past and they confront the underlying issues that have long haunted them. As the sisters rebuild their relationship, they face external and internal challenges, revealing the strength and fragility of familial bonds.