With Eve in hospital, Al determines to track down the source of the legionnaires' outbreak, while Sid takes Princess on a rapid response shift. Bear tasks the receptionists with an important job. What can possibly go wrong?

Valerie takes Al on the Letherbridge Sprite Trail, with an incredibly valuable prize at the end. Princess has an important meeting with Bear and the partners, and when a vulnerable homeless man claims to have been assaulted by killer robots, Rob and Emma search for the truth.