The first season follows Phillip (
Patrick J. Adams), a man who is offered the opportunity to go back in time to make different choices in life to salvage his relationship with his girlfriend Evelyn (
Karine Vanasse) and his career after a major personal setback. The second season follows Mia Coleman, a police officer who wants to change her actions after her intervention in a domestic dispute between Paul (
Vincent Leclerc) and Keri (
Sarah Booth) Whitman goes disastrously wrong. The second season of the English series is adapted from the third, rather than the second, season of the French series, and features two actors, Leclerc and Patrick Emmanuel Abellard as Mia's police partner, reprising the same roles they played in French. The third season, adapted from the second season of the original series, stars
Carolina Bartczak as Abigail Walker, a prominent television host who approaches the agency after her daughter Lucy (Arianna Shannon) commits suicide. The cast also includes
Arnold Pinnock,
Ennis Esmer, Jaeden Noel,
Carolyn Taylor and
Grace Lynn Kung. The third season premiered August 8, 2025, on CBC Gem. ==Cast and characters==