Andy Riddle

On the eve of Port Wenn’s annual blueberry festival, Martin treats a local man who has apparently become blue from eating too many blueberries. Also, Martin is disturbed by Aunt Sarah’s lack of attention to her health, Mark faces the repercussions when his vision issues may stem from his sexual history and Louisa is determined to win the pie competition.

When Martin's parents make a surprise visit, Martin suspects that his father, Robert, blindsides his sister Sarah with some infuriating news, is experiencing a serious health condition. Also, while trying to avoid the school's forthcoming closure amidst its annual Spirit Week sleepover, Louisa is made acting principal and Martin and Robert must operate together on Mark.