When the body of the executive of hockey Benoit Brisset is found on the billboard of the border of Quebec and Ontario, the jurisdiction of the crime is shared between the two police forces and detectives David Bouchard from Montreal and Martin Ward from Toronto are assigned to work together. With totally different styles, attitudes and languages.

In 1969, a visiting geologist from Newfoundland arouses scandal in a small Irish village when he romances a local girl who’s destined for the convent.

Neighbors Spencer and Louise have bonded over their fascination with a recent string of murders terrorizing their community. When a new tenant named Victor moves into the building, all three quickly hit it off. However, they soon discover each has his or her own dark secret. As the violence outside mounts, the city retreats indoors for safety. But the more time these three neighbors spend together in their apartment building, the clearer it becomes that what they once thought of as a safe haven is as dangerous as any outside terrors they could imagine.