Twenty years after the disappearance of her daughter, a recovering alcoholic is preparing to host her family's Christmas celebration when her estranged ex-brother-in-law arrives unannounced, bearing nostalgic gifts and a heavy secret.
Max Fist claims he’s a hero from another dimension who has somehow landed on Earth and been stripped of his powers. Instead of treating him like a powerful champion, no one believes Max’s claims — except for a teenager named Hamster and his sister Indigo. The siblings convince Max to help them take out a local drug gang, where Max’s abilities are put to a violent and harrowing test.