The relationship between lovers Yves and Claude comes to an abrupt conclusion when, as the couple are making love, Yves slices Claude's throat, killing him. After being taken into custody for his crime, the police inspector demands to know the reason behind Yves' actions. Yves then weaves the tale of his life with Claude, explaining the origins of their relationship and how it reached a point where murder was the only possible conclusion.

1952, Québec - Alys Robi, vocalist at the top of her popularity and recognized worldwide, was interned in spite of herself, by her father. Medical authorities prescribe her the only cure for a possible cure: the lobotomy. Under the bright lights of the operating room, Alys sees her 28-year life flash before her eyes.

Struggling with AIDS, Aimée comes out of the hospital. Her friend Francine leads her to the Maison Bleue for her convalescence. But Aimee's state of health does not improve: she falls into mental confusion and must stay at the Blue House until her death.