Given the sinister nature of events uncovered involving an armed militia, a Pentagon connection, and the suspicious circumstances of Ian's death, Lightfoot asks Chris if he is willing to continue. Their own lives could be at stake now. Chris gives his pilots time to consider their decision, and all agree to carry on.

On a routine flight, Chris and Jimbo divert to answer a medical emergency in the bush. On landing, they discover a man with a serious leg wound, whom Chris recognises as Cooley, one of the airforce pilots who had been charged over the theft of guns from the army.

Chris vows to stand by Grace as she faces an internal enquiry regarding her apparent theft of drugs from the customs evidence room. She presents a plausible explanation for her actions to an internal investigations panel, and all seems well... until she receives a call informing her the panel cannot accept her explanation and will turn the matter over to the police.

Lightfoot arrives at Big Sky with a deal to do special undercover, customs related work for him. Chris, under financial pressure from the new board, eventually agrees to one job to ascertain any further interest.

Jimbo suddenly has cold feet about marrying Jodie. The responsibilities of looking after not just Max, but a sick woman, for an indefinite period, frighten him. He offers to take a long flight and finds himself contemplating escaping to a whole new life when he meets Marie, a country woman running her property alone.

Scotty and Rosie make an emergency landing on a beach to rescue a man, Ramon. Taken to hospital, the staff want to report the illegal immigrant. Scotty and Rosie discover him stowed away on their plane on their return to Sydney. He pleads for their help.