After an 8 year old boy is reported as missing, his mother tells the police that she and her husband are going through a bad divorce. Phil isn't happy when he is questioned like he is a suspect in his son's disappearance. CCTV footage shows the boy getting into a car with a man named Nick McCann. The team discover that the boy has spoken to his mother's new partner, Danny on Nick's phone. Terry and Stevie try to get the truth out of Danny before it is too late.