Martin's medical career remains under scrutiny, as a GMC representative has come to assess him and his surgery. Meanwhile, Al accidentally proposes to Morwenna, and Mrs Tishell has a new lease on life.

Ruth is concerned about becoming increasingly forgetful, and is even more perturbed when Martin offers to perform a mini mental state examination. It confirms she is showing early signs of dementia. Meanwhile, Louisa plans a special evening to celebrate Martin's birthday, and Al decides to throw Morwenna a surprise engagement party on the same night. There are also problems when Louisa's class tutorial ends in disaster.