The team search for a young boy who goes missing after discovering his mother is having an affair with a family friend, who is later seriously injured in a road accident. Meanwhile, Younger strikes up a friendship with a bullied young boy when he fills in for the lollipop lady, Gina and Bellamy set Rob up on a date with a hairdresser, but the date doesn't go according to plan after Rob realises he still hasn't grieved for his late wife, Miller is outraged when a nits investigation grips the Ashfordly station, Carol is delighted when her fiancé gets leave from the Navy and visits her, whilst Peggy and David experience a slight cash flow problem.