Border Security: Australia's Front Line

A passenger returns to Australia at Perth airport with a big hangover, and a bag search reveals he's carrying knives. He insists he simply forgot, but an inspection of his hard drive leads to the discovery of something shocking and illegal. A package containing car parts arriving from Ecuador has Customs officers immediately concerned. These parts are very cheap so why would someone bother with this expensive postage? And when a family of three arrives from China, a dog unit picks up an undeclared banana. But that's not all quarantine officers find!

A father and son duo are returning from a holiday in Thailand. Officers discover the men have had trouble crossing borders in the past when the father openly admits he was once caught with ten Tasers. He's also packed something illegal before this flight. But that's not all officers find, when a swab test comes back positive for traces of heroin. Flights are arriving in the Top End, carrying passengers attending a music festival, so the Customs drug dogs are out in force. Then, a package containing pool toys arrives from Argentina and raises suspicions when officers discover a hidden substance.

A woman who has just had her breasts enhanced is caught carrying drugs. A passenger has a run-in with an officer.

A devious passenger attempts to get past Immigration. A disturbing discovery is made by officers in a Chinese student's bag.

A drug runner conceals his stash in the most unlikely of places. A heartbroken Frenchman has fallen for Australia, but for Immigration it's time to separate. Experienced officers are shocked by a disturbing item in the mail.

A passenger discovered with clumps of human hair becomes hysterical after her luggage returns positive readings for drugs.

A nervous passenger makes officers believe that he is carrying narcotics after he breaks out into a sweat. A traveller with a really bad criminal record tells immigration offers a surprising story.

Customs officers believe that two men who have shown up separately could be connected somehow. An aggressive passenger becomes nasty forcing officers to take some dramatic action.

This old-time drug smuggler confesses to his shady past. Can he now be trusted to cross Australia's border? A passenger is surprised that he has to follow Australian law. And officers believe a woman is returning home with a huge concealment.

An immigration operation on a suburban home uncovers an underworld of illegal activity. The traces of an illicit substance off a smoking pipe could end the plans of an Italian backpacker. A woman returning from Lebanon may be carrying a deadly disease.

An intensive search put a passenger on edge. This could be the reason why. He's refusing to admit his illegal past. A shocking discovery when this man reveals what he has hidden in his underpants.

He can't explain what he's actually here to do. A swab test may hold the answer. This man is travelling on a French passport, but there is a problem. All the clues point to a serious case of deception. Officers act on a hunch that there are narcotics hidden in this luxury speed boat.

This nervous passenger may be hiding illegal contraband; he'll try anything to stop their search. A shipment of tennis rackets could serve up a big hit for officers. An amazing discovery proves that this man is lying, that brings a dramatic end to his deception.