

Season 7 • Episode 24
LatestMarie Lamontagne, a widowed mother of two in her forties, confesses to a murder she didn't commit to protect her daughter. Thrust into brutally unfamiliar and hostile surroundings, she first learns survival, then confronts the biggest challenge of her life: bonding with her fellow inmates and helping them take back control of their lives.
Acting
Guylaine Tremblay's maternal ferocity anchors every scene she's in.
Writing
Trottier crafts an entire prison ecosystem with soap-opera patience.
Production
Quebec's first major women's prison drama—landmark local television.
Creator
Danielle Trottier
Trivia, insights & behind the scenes
Unité 9 remains Quebec's longest-running scripted drama, proving local audiences craved complex female antiheroes long before the global 'prestige' boom.
The actual prison exterior was a decommissioned psychiatric hospital in Laval—former patients' graffiti still visible during early shoots.