Rob thinks he knows who is responsible for some children being poisoned by an illegal chemical, but he is thwarted by a fake confession. Sid is at the hospital with the two children who are seriously ill after drinking the poisonous substance. Sid is praised for his quick thinking, but will the boys make it?

Jimmi promises a Syrian refugee girl that he will find her sister, but his desire to overstep the mark lands him in hot water. Karen nurses Rob through his 'man flu', and Heston manages to cheer Ruhma up with a trip to a camping shop, just not in the way he was hoping.