The strains are starting to show in Polson's marriage, not helped by the fact that it is his fifth wedding anniversary while he is away on a two week course that will decide whether or not he becomes a sergeant. Meanwhile, Hodge has been invited to Kirsty's birthday party and Laura is going out on a business lunch with Greg Scarry.

When the spire on his garage collapses on top of him, Diesel has a near death experience and subsequently finds God. Meanwhile, Laura invites Hodge to join her and Greg Scarry for their next business meal in order to reassure him about their relationship.

Lloydy has been evicted from his flat so he has bought a narrowboat to live on and insists on taking his friends for a cruise at the weekend. They are even to be joined by Laura, who has finally realised Greg's intentions towards her, and wants comfort from Hodge. However, Hodge has other matters to worry about...