Border Security: Australia's Front Line

Customs officers discover a dangerous game of hide and seek when they search a passenger from Buenos Aires. Customs officers get involved in a potentially volatile situation when an Aboriginal passenger refuses to join the queues at Passport control. A simple mistake by an American panel beater in his visa application could put an end to his hopes of working in Australia.

A Chinese woman tries to smuggle food into Australia, despite having previously been warned about it, and a teacher returning from Japan fails to declare money

An elderly man loses his passport, and a passenger is examined internally after concealed money is found in his luggage

Customs don't let a passenger from Hong Kong that they suspect of carrying drugs out of their sights. Quarantine find some double-sided metal swords in a passenger's bag. Immigration make a startling discovery when they become concerned about a Malaysian passenger's intentions.

A South American pensioner becomes the focus of a large-scale search by Customs. Quarantine discover a deliberate concealment just as they are about to let a Chinese passenger go. Immigration compliance officers search taxis and shuttle buses as they try to identify illegal workers among their drivers.

An American passenger wants to experience the heart and soul of Australia, but Immigration have other plans. A Korean passenger brings in an item that has Customs completely baffled. Customs continue their search through the suitcases of a South American pensioner.

Two Vietnamese passengers who are good friends separate at the border, attracting the attention of Customs. We find out what happens to items that Customs have seized. Quarantine find truckloads of food in the bags of a Burmese family.

An American man carrying a giant teddy bear says he's uniting with his online girlfriend, but officers suspect he's looking for illegal work in Australia. A British passenger bridles at being approached by Customs. Two Malaysian men hoping to work as fruit pickers are sent packing.

A fashion forward passenger brings back a king cobra skin for a designer friend, only to find out that it is protected and may be seized. A man from Ohio is depending on an Australian internet girlfriend he has never met for financial support. A farmer is caught trying to bring in illegal taro plants.

Cecilia learns the true identity of someone she has been dating on the Internet for two years. Quarantine officers avert a possible disaster when they discover taro bulbs concealed in a blanket. A romance novel proves that truth is stranger than fiction when it hides some ecstasy tablets.

A discovery by Customs that the contents of a container are tobacco and not glassware leads to a major raid. Quarantine discover undeclared food with a high risk of Avian influenza. A British passenger gets the third degree from Customs after his baggage tests positive to traces of cocaine.