While stealing money to help their sick mother (Mena Suvari), teen brothers Mayy and Joey (Fionn Whitehead and Jack Dylan Grazer) are surprised by Hamby (Rainn Wilson), a security officer who gives chase and is then trapped in a well. Over the next few days, Joey and Hamby forge an uneasy relationship. Hamby tells Joes he'll keep quiet if Joey sets him free. But Hamby holds another secret, one that will threaten Joey and his family, in this twist-filled, cat-and-mouse thriller.