Emma decides to get everyone together to teach them a lesson in diversity, while Ruhma is somewhat taken aback by discussion of her background. Jimmi has to deal with a very sensitive subject when it turns out a family have deeply hidden issues that need discussing.

When a key witness returns to the surgery, Emma aims to get his statement about the night at the warehouse. Al and Ruhma take part in a bargain-finding TV game show.

Valerie tracks down her missing witness, but both of them are scared off by Harriet’s threatening behaviour.