Al deals with a diabetic lecturer struggling with his diagnosis. Another medical emergency prompts Al's past to come back and haunt him. Mrs Tembe's reaction to the idea of a memorial bench leaves everyone stunned. Alia makes a big decision about her future, and Zara is furious after an outburst from Izzie.

Karen is suspicious when she finds a patient is far from vulnerable. Zara feels taunted by an image of Izzie, but will she sacrifice her own feelings for Daniel's sake? Jimmi finds himself in the spotlight. Sid has a lightbulb moment.