Episode 1: When Jodie Walsh's 4-year-old son vanished from a lakeside picnic, he was presumed to have drowned. But his body was never found, and Jodie's always believed he was abducted. Nine years later she sees a boy on the way to school whom she's convinced is her son. Met with disbelief from her family and the authorities, Jodie takes matters into her own hands to get closer to the teenager, Daniel.