Daniel and Valerie's secret project is finally revealed, and has Princess met her match in Emma?

When a teenage girl goes missing, it's a difficult time for her mother but also for the mother of a girl who vanished two years before. Can Rob help them both?

Jimmi and Maeve go trampolining, Princess sets her sights on Scarlett, and a bar manager with a bad back has an eventful consultation with Al at the Campus Surgery.