Jess brings her baby to the hospital with an unexplained head injury. Liz, who happens to be the ER doctor on duty and a close friend of Jess's, faces a heartbreaking dilemma: should she trust her friend who has no clear explanation, or should she, as protocol dictates, contact social services on suspicion of child abuse? Her decision sets off a chain of events that exposes long-held secrets, fragile loyalties, and the lives of the women and their families.