Karen and Valerie's lunch plans are spoilt when Mrs Tembe springs a surprise on them, and Jimmi's nephew visits the Mill. Heston is suspicious when he thinks a patient has lied about the death of their daughter.

Mrs Tembe loses her temper with an author from Botswana who has a secret but hides behind a shield of indifference. Meanwhile, Daniel sees a man with a heart condition who is also hiding a secret but running out of time. Elsewhere, Rob is undercover for a drugs operation and discovers his main suspect has a bag of pills burning a hole in his pocket.