Small town artist Charley is a tortured man whose drinking binges blur with his sneaking suspicion that he might be a werewolf. He distances himself from those he loves and sinks deeper into solitude, as his flashes of memory of his grisly nighttime acts manifest themselves through his artwork.
In the distant future, centuries after nearly all life has been wiped out by war, disease, and environmental collapse, the planet has begun to heal itself. WRACK focuses on four mutated humans, who despite being the only known people left on their world, still cannot get along.
Gail is forced to come to terms with Josh, her new stepson, at a remote country home. After stealing an evil talisman from a mysterious neighbor, Josh has sinister dreams of his dead mother, who commands Josh to murder Gail. When Josh's dad returns, he and Gail suspect that their son has been possessed by an ancient, bloodthirsty spirit. Is it too late to save Josh's life — or their own?