It’s an icy New Year’s Eve. Snow blankets a windswept Irish island as the wild Atlantic Ocean rages.

Six friends gather. It has been ten years since the tragedy that tore them apart. A lot can change in a decade…

Childhood bonds are now lifelong secrets.

Dear friendships have twisted into deep jealousies.

A happy reunion is shattered by a dead body.

The celebrations have barely begun when one of the guests goes missing. As the snow thickens, the body is found.

Then the storm wreaks havoc on the island. Everyone is trapped – there is no way out. No electricity. No phone signal.

Nobody knows who to trust. No one is who they seem. Because one of them is a killer, and one will be dead next…