Saison 1

Après que l'inspecteur Donny « Fitz » Fitzpatrick de la Royal Newfoundland Constabulary ait approfondi les activités néfastes d'un homme politique local, il est exilé pour travailler à Saint-Pierre et Miquelon (le territoire français niché dans l'océan Atlantique, au large de Terre-Neuve). L'arrivée de Fitz perturbe la vie de la chef adjointe Geneviève « Arch » Archambault, une parisienne transplantée qui se trouve à Saint-Pierre pour ses propres raisons intrigantes.

Fitz and Arch engage in a game of cat and mouse as they race to determine the target of an assassin on Bastille Day.

When a billionaire is found decapitated, Fitz and Arch dig into the victim's family in this whodunnit mystery.

Fitz and Arch work with a Newfoundland Officer from Fitz's past to apprehend an infamous bank robber who's escaped to Saint-Pierre.

When an archaeologist winds up dead in her dig site, Arch and Fitz look into a group of academics to find the murderer.

Arch's investigation into Gallagher takes a turn when his son becomes the prime suspect after a dead body washes up at a music festival.

Arch and Fitz race against time to save a kidnapped flight attendant and then one of their own.

When the severed finger of a handyman mysteriously turns up, Fitz and Arch's investigation turns into a case of vigilante justice.

Arch and Fitz investigate Fitz's enemy, Premier O'Brien, when he becomes the prime suspect in a bachelor party gone wrong.

Arch experiences personal revelations while investigating Gallagher; the case intensifies when a murdered body washes up on shore, bringing the investigation to a climax.