Luke's afternoon at the beach with Maxine goes from bad to worse when, not only are his shirt and a shoe washed out to sea, but his next door neighbour sees him with Maxine.
Maxine decides to end the affair with Luke. Until she's unable to get the lid off a jar of Marmalade. Helen meanwhile, starts to sense that something is wrong with Luke.
Luke hatches a plan with Simon to enable him to win Maxine back by spending more time with her. Then is accidentally locked in Maxine's home when she is away for the night.