S05E09 — King of Hearts

On the pretence of continuing their investigation into a farm vandalism case, Adam and Dash spy Nick having some trouble handing Zoe a ring box. Dash and Adam strain to see whether or not she accepts the ring but their view is obstructed. Could Nick be getting married? The Heelers' speculations about the probability of coming nuptials are interrupted by a distressing call. Zoe's horse has been hit by a car. Rushing out to the scene, Zoe is beside herself, wanting to put the horse out of its misery herself. Nick convinces her to put her target pistol down and leave it to the vet. Zoe's grief over the death of her horse is amplified when she is told that during the course of the Heelers' investigation they have spoken to a man at her home who claims to be her boyfriend, a Mr. Martin Bridport. Zoe flies into a rage - Martin had no right to be at her place, and he killed her horse! Martin denies everything but Zoe is adamant; her ex-boyfriend is the culprit.