In 1976, a teenager named Abigail, grappling with a tumultuous history, relocates with her mother to a quaint town in Alabama, aiming for a fresh start. She forms a bond with Lucas, the neighbor's boy, who is the target of relentless bullying at school. Resolute in her quest to aid him, Abigail intervenes, but her actions begin to escalate dangerously. As Lucas starts to reveal the disturbing depths of Abigail's character, their narrative veers into perilous territory. Faced with a critical decision, Lucas must weigh his loyalty against the imperative to prevent Abigail from going too far.