In 1975, a serial killer who had murdered eight people in the small town of Mapleshade, CT mysteriously vanished shortly after taking the life of his final victim, a young woman named Dawn Elliot. The murderer, Benjamin Thomas Bishop, would become the towns most infamous urban legend: the Devil of Mapleshade. Fifty years later, a group of friends investigate the urban legend themselves. This decision would result in bloodshed and the town of Mapleshade reopening its oldest and deepest wound.