(All Quiet on the) Preston Front S02 E04 Polson's Lilo

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.