Trial & Retribution

Five-year-old girl Julie Harris goes missing from home after being seen playing in the local playground.

When items relating to the case are found in Michael Dunn's flat, Walker has no doubt that Dunn is responsible for Julie's murder.

When young mother Susan Harrow fails to return home after a night out, her mother reports her missing to the police.

As a third victim is found murdered, Marilyn soon identifies the man responsible as Damon Morton (Iain Glen), and Walker must gather evidence to secure his conviction.

Fifteen-year-old Cassie Booth goes missing whilst doing her local paper round, and her blood-stained clothes are later found in a nearby boathouse during a police search.

Pat is forced to deal with a persistent complainer, Stephen Warrington, who has been hounding the station.