Episode Overview
Sara, 12, and her brother Ben, 11, check in with their busy father and their governess, Miss Oliver. The siblings decide to play a prank on Billy by staging a fake intruder scenario. However, their fun takes a dark turn when they overhear a heated argument that ends with a gunshot, followed by a man in a Burberry coat fleeing the scene. They discover a deceased woman in a car, but when they bring their father to investigate, the body has vanished. Billy dismisses their claims, and a family reunion reveals troubling secrets about Christine's aunt Addie's lover, Luke. Ben becomes suspicious of Miss Oliver after seeing her in a Burberry coat, believing she may have murdered the real governess. As the impostor tries to abduct Sara at gunpoint, the police and Billy arrive just in time to apprehend her.