Heston tries to get a lead on the viper case by winning the trust of a user - will she give him what he needs? Al wants to check on a terminally ill patient, but first he needs to convince his daughter to let him in the house.

Ben has to deal with the fallout from yesterday, but can he forgive Will? Meanwhile, Ruhma tells Heston to leave the investigating to the police. Ayesha grows concerned for a sleep deprived mum, convinced she is hiding the true cause of her symptoms.