PJ is faced with a figure from his past when troubled Luke Darcy returns to Mt Thomas having been released from prison. Luke is the troubled son of a woman who PJ shot dead seven years ago.
PJ refuses to explain how he came to be standing over the dead body of Luke Darcy, forcing the Homicide Squad to arrest him for murder. The other Heelers must prove his innocence and find the real killer.
Ben faces a dilemma when he and his fiancée Marissa search for two homeless kids - the children of an itinerant drifter who collapsed during a brawl outside the Imperial.
When an old lady passes away and leaves a fortune in a will and an alpaca, friends and relatives come out of the woodwork claiming to be the inheritors of the estate.
Ben and Susie face the inquest into Brad's death. What is hoped will be a mere formality quickly becomes complicated when a witness makes damning claims against them both.
PJ and Jo run into a wall of silence when they investigate the allegation that a music teacher employed by the Mt Thomas Brass Band has been having sex with his underage charges.
P.J, and Jo are stuck down a hole. Tom is sporting a black eye and Jonesy has lost his pants. All this due to woman stealing a car and a new police officer at the station in Widgeree.
Constable Evan Jones and fellow officer Susie Raynor are clearly affected when they are by a distraught mother's side at a deserted party site as she finds her 13-year-old son unconscious after being force-fed vodka.
Jo and Susie are on their way to work from a session at the local gym when they discover a woman who has been raped. Is she the second victim of a serial rapist?
PJ is determined to prove to Jo that aliens are not responsible for a series of strange events in Widgeree, including the theft from the local Bushranger pub of a saddle purported to have belonged to Ned Kelly.
Jonesy and Susie come across a field of dead kangaroos that have been massacred with a high-powered assault rifle. The field is owned by an old friend of Tom's who also happens to have lodged an application for a kangaroo cull.
A man shot dead and an 11 year-old boy stealing from a car shop, have something in common. Jo tries to do a good turn and it will raise a whole lot of questions about parenting. Things will not be as simple as it seems and it will be hard on Jo and P.J.
Susie shoots Ben in the arm during a late night break-in at a furniture warehouse, prompting an internal investigation. Inspector Falcon-Price wonders whether it was an accident or payback for Ben shooting Susie's husband Brad last year.
A Vietnam veteran, who served with Tom, stupidly tries to take a detonator on a light aircraft to Mildura. Although proclaiming his innocence, Tom is not so sure and comes down hard on his former ally.
Nick Schultz investigates the supposedly accidental death of Troy Baxter, and can find nothing which contradicts Tom's version of events, so for the moment his suspicions are allayed.
The Heelers are forced to evacuate their new building and call in the Bomb Squad when Amy finds a bag containing a suspicious metal object in their reception area.
As it seems Tom has lost it in his search to find the bomber, P.J. enlists Susan's help and there is more destructive acts of violence to come. A young girl goes into labour in the public restrooms, so Susie and Jonesy have to act fast.
Joss suspects something is wrong at a golf club and has a bet with Kelly over work. Tom and Jonesy have heated words over Jonesy's relationship with Donna and her story is full of holes, but is there any truth to it?
PJ risks being unable to keep his promise of a 'sure-thing conviction' to the daughter of an assault victim when he loses a critical piece of evidence that could result in the accused walking free.
Amy wants to question Donna Maitland about the death of Theo Kallergis, but she has done her famous disappearing trick again. Susie tracks her down and finds her high on cocaine and refusing to answer difficult questions.
Susie worries about Jonesy's safety when he fails to call her as arranged. As it turns out, Jonesy has a very good reason; not only has he been shot and wounded, but his mobile phone was broken in the process.
As Daniel is a suspect, Tom treats him like anyone else who is suspected. The investigation into the assault continues and Inspector Draper is called in as well. Tom's new attitude will also have personal repercussions.
Joss and Kelly help a woman who seems to have just given birth but things are not quite as they seem as Joss investigates further. Sergeant Holland joins the team in Mount Thomas and will make his mark.
Tom is out walking his dog when he is confronted by Tarni Baxter, the daughter of Barry and sister of Troy, who blew up his police station and sexually assaulted his wife, then left her to die.