In the series premiere of Saint-Pierre, disgraced Inspector Donny Fitzpatrick arrives in the idyllic yet isolated territory of Saint-Pierre et Miquelon. Tasked with rebuilding his career, he meets Deputy Chief Geneviève Archambault, who is skeptical of his methods.

As they navigate the local culture, a mysterious murder rocks the community, forcing them to collaborate despite their differences. Fitz's unorthodox investigative style clashes with Arch’s meticulous approach, leading to tension and humor. Together, they uncover a web of secrets that reveal the darker side of paradise, setting the stage for their evolving partnership.

The episode ends with a cliffhanger, hinting at deeper conspiracies that may threaten their lives and careers.