The Sunken Cathedral (La cathédrale engloutie) is part of the Théâtre de Quat'Sous 2026-2027 season and runs from 30 October to 8 November 2026, with performances at 19:30.
The story follows Léna, 16, who inherits a detuned old piano after her grandmother's death. Through the instrument she moves back in time, from her mother's life to that of her grandmother's mother. It is a lineage of women who carry the weight of anger and of the silence that came after it.
The cast and creative team listed are Rébecca Déraspe, Florent Siaud, Maxime Denommée, Jean Marchand, Marie-Laurence Moreau, Steven Lee Potvin and Marguerite D'Amour. The production is categorised as Fiction 2 — Québec.