A showdown decades in the making brings the Donovan family legacy full circle as they find themselves drawn back to Boston. Struggling to overcome their violent upbringing, their fierce love for each other keeps them in the fight.

The story of Stan, an orphaned teenager stuck living with his abusive grandfather and tasked with routinely protecting his best friend from high school bullies. When Stan discovers a murderous creature has taken refuge inside the tool shed in his backyard, he tries to secretly battle the demon alone until his bullied friend discovers the creature and has a far more sinister plan in mind.