Alter, in her 40s, suffers from a profound ailment that is eating her inside out. After attempting suicide, she is consulting her therapist Léandro Lecreulx, a specialist in hypnosis, who connects her to her most buried terrifying fears. Léandro is developing unique methods to help his patients deal with their childhood trauma. The days pass to the rhythm of nightmares and hypnosis sessions. Alter goes back further and further into her past, until the devastating moment that changed everything. Her life is turned upside down as she discovers that her loving and protective mother has always hidden a secret from her.