Maggie and PJ find their relationship under pressure when a visiting detective, Ben Stewart, is accused of murder.
Maggie and PJ find their relationship under pressure when a visiting detective is accused of murdering a petty crim and drug user. The dead man is a vital link in a case involving three missing police guns and the discovery of Ben Stewart crouched over his body leads inevitably to the conclusion that he is the murderer.
Ben makes no secret of his personal feelings for Maggie and turns to her for help in proving his accusers wrong. But while Maggie staunchly believes in Ben's innocence, PJ can only go on the evidence, which starts looking worse than ever when the murder weapon is found in the back of Ben's car. Maggie and PJ's opposing views about the case lead to conflict, each of them accusing the other of allowing their personal feeling to interfere with their professional judgement.
Maggie teams up with Ben to get to the bottom of things, leaving PJ distinctly on the outer. As Maggie and Ben investigate, they begin to realise all roads lead to Ben's bitter rival, a detective sergeant of the Homicide Squad, but while the truth gradually reveals itself, solid evidence is harder to come by and they must renew their efforts to get PJ on-side.
Eventually, PJ's sense of fair play prevails and he uses his own contacts to uncover vital information. With allegations and counter-allegations flying around the station, PJ, Maggie and Ben are finally able to form a united front and enlist Tom's support. Ben and the Heelers work together to unmask the real murderer, but will Ben snatch defeat from the jaws of victory with an impulsive and ill-judged act?
While Ben has to live with the consequences of his action, PJ can at least console himself with the knowledge that his rival has returned to Melbourne and left Maggie to him. Or has he?
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