PC Joe Penhale wants to prove to Maggie that he has changed, but will his efforts to show off his macho side convince her to stay in Portwenn? Aunt Ruth discovers a cache of photos from Martin's unhappy childhood. But the doctor's suggestion that he and Louisa send their son to boarding school only adds to the tension between them. When things finally reach a boiling point, Louisa makes a painful decision.
PC Joe Penhale is surprised when his ex-wife Maggie returns - and startled when it appears she's completely forgotten that they split up years ago. Louisa’s mother Eleanor goes on a date with a local fisherman. And after warnings that the state may step in if they don't register a name soon, Martin and Louisa finally decide what to call their son.