Maggie is on a private visit to the panel beater's shop when her attention is drawn to a small car sitting on top of a pile of pallets. The car belongs to Molly, the sole female employee of the shop. She is strenuously complaining about the actions of her colleagues. While the Heelers persuade the boys to return the vehicle to its owner, Maggie and Dash believe Molly has been the victim of systematic victimisation. With Tom's consent they return to the shop to warn off the foreman and his mates, but their pleas fall on deaf ears. They are soon back at the shop in answer to a fire alarm only to find a soaked Molly who has set off the sprinkler system after being locked in the changing rooms. It seems someone has stolen the boss's keys to shut her in, but were they just intending to keep Molly trapped or were they keeping her on ice for other, more sinister reasons? A description from the locksmith leads the Heelers to a young apprentice in the shop. When questioned by the Heelers, the b