Zara saves the day when Martha has an allergic reaction, but Karen is shocked when she discovers how it happened. Later, Zara has a reaction of her own when she sees who Emma is flirting with. Rob deals with an elderly man who is behaving like a lovestruck teenager.

Daniel and Zara conduct interviews for the new practice manager, while Karen finds herself deeper in Martha's family life. Al gets involved in an odd family set-up, all in the name of beer.