In the village of Millers Hollow, the summer of 1846 is coming to an end and all seems well. But one night, Lune and her friends hear the mysterious call of the Red Moon and they follow a black wolf to an abandoned trunk, where they find wolf masks and a strange poem that speaks of revenge.

 

Something awakens in them and the teenagers swear they will fight injustice by punishing the villagers who wronged them. Millers Hollow is thrown into a state of panic. At night, Lune puts on her disguise and gives free rein to her wild nature, while in daytime her best friend Lapsa investigates these incidents which strangely remind her of the mystery surrounding her father’s death years before...