A young designer from LA arrives with a suspicious bag. Biosecurity officers uncover a huge quantity of high risk items in the luggage of a Chinese student.

A nervous man has brought a bag of tea and coffee which turns out to be much more than a beverage. A couple returning to Australia have a very creepy collection they've brought home with them.

Officers come across a box from Malaysia that seems a little unusual and reveals something frightening. Officer Shane investigates a delivery of chip packets that contain something less than savoury.

Go behind the scenes of Australia's customs, quarantine and immigration departments.

Officers are concerned a passenger may be up to a lot more than he's letting on. A container from China that will blow the lid off a massive criminal syndicate. Also, a huge threat to our biosecurity.

A Brazilian woman arriving from New Zealand is caught with what looks like an implement to snort cocaine. Border Force execute a warrant in search of a Sri Lankan man they think is here illegally.

A convicted drug smuggler returns to Australia for the first time since his arrest 15 years ago. The special investigations unit execute a dramatic raid on a storage facility.

An American man makes a shocking confession in one of Borders most dramatic busts. A strange package from Russia is found to contain an extremely rare and unusual item.

When a Chinese man is reluctant to answer officer's questions, they soon realise he's covering for a partner in crime. What a man has hidden in his bag could have a devastating effect on biosecurity.

Officers want to know the reason for a French traveller's extremely nervous behaviour. Biosecurity officers find a disgusting concealment in the luggage of a woman arriving from Vietnam.

A passenger has declared only tobacco but it's clear straight away he isn't telling the whole truth. Border Force officers at the Sydney Mail Centre make an interesting find inside hydraulic pumps.

Biosecurity stop a woman entering the country with some extremely dangerous and prohibited goods. A Chinese teacher says he is here for an 11 day holiday but his suitcase is void of clothing.

Biosecurity dog Cody makes a fishy discovery in the bags of a mother daughter couple returning from Vietnam. An x-ray image on a package from Tanzania shows something that looks like a head.

When officers stop a woman from Canada, they suspect she's not here for business as she claims. This investigation unravels one of the most elaborate concealments ever seen at the Border.