Rob has been drafted in to help CID on an observation, but he gets distracted when a rambling homeless man starts going on about a dead body. He used to be a soldier, so Rob thinks he's hallucinating, as there's now no body. Will Rob be able to keep his mind on the job in hand, or will the watch be ruined? Daniel has a lot to think about after Zara's revelation, and is worrying too much. Zara is at the Campus, and is also fretting. She confides in Ruth, so Ruth gives her some beetroot salad.