Welcome to Black Stone Bay, Rhode Island, a picturesque town full of charm and beloved holiday traditions. But this Halloween there's a chill in the air that has nothing to do with autumn. And with it comes a murder of crows casting a shadow on each house, one by one. It's an omen of things to come, ushering in the arrival of a stranger to Black Stone Bay - a stranger with an insatiable thirst, and a terrible plan for a night no one is meant to survive.