It’s Halloween night, 1984, in Coventry, Massachusetts, and two families are unravelling. The Barbosas have opened their annual Haunted Woods attraction in the forest behind the house they’re about to lose. The Sweeneys are fighting about alcoholism and infidelity on their front lawn. Up the street, a high-school senior is about to have her secrets exposed, while down the street, the truth about Ruth and Zack Burgess turns out to be even more horrifying than the rumours ever were.

And all the while, four children who do not belong are walking door to door. Children in vintage costumes with faded, eerie makeup. Children who seem terrified, and who beg the neighbourhood kids to hide them away, to keep them safe from The Cunning Man. But with families falling apart and the community splintered by bitterness, who will save the children of Parmenter Road?

All Hallows. The one night when everything is a mask…