Zara gets some news which takes the wind right out of her sails, while Tyler offers to show Ayesha his hidden depths. An elderly patient has disappeared in the middle of the night and then refused to reveal where he has been. The man's son is convinced he has memory problems and recruits Heston to solve the mystery.

Sid tries out the Dr Haskey method of 'detachment', but as a result ends up putting a young child's life at risk. Rob needs to question an elderly man on his mobility scooter, but he has to catch up with him first.