Mark is forced to investigate his fiancee's past when a stranger arrives in the village with a mysterious photo. Mrs Tishell finally removes the neck collar she has worn for years, and suffers a prolapsed disc as a result. Martin reveals his true feelings for Louisa over a few glasses of wine, but he drinks too much and wakes the next morning to a waiting room full of giggling patients, a raging hangover and a distinct feeling of uneasiness.

Bird-watchers in search of a rare species disturb the peace. Martin may lose his receptionist, is told to brush up on his people skills, and Louisa's father arrives unannounced.