They're the boys and girls in blue who keep our borders safe. You won't believe some of the things they find... or where they find them...
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New Season: A young Brazilian woman finds herself and her bag full of tricks in the Customs red zone, and a plane load of Ukrainian Fishermen are checked at the border.
A Canadian woman attempts to smuggle a live cat across the border, a Dutchman is caught with a serious quantity of Cocaine and a consignment of vehicles are checked at Hampton Downs motorsport park.
A Mexican chef's phone messages give his dealings away, a Chinese businessman with truth issues and a couple Kiwis return home with some questionable trophies.
A bible containing more than the word of God is found by Customs in Christchurch, a tour guide shows border staff around his makeshift tobacco importing ring in Queenstown.
A playful French Doctor tries it on at the border in Queenstown and lethal weapons at Christchurch Airport.
Cocaine users open up about their drug use at the border, a suspicious bottle of detergent at the International mail centre and some high-risk visitors fly into Queenstown.
Travellers with no idea of New Zealand's drug laws, a South African woman claiming a long distance love affair, and highly questionable security cameras carrying more than lenses and circuitry.
Tonight border officials confront an Aussie with a shady past in the Customs Red Zone and paintings at the mail centre that are more than just cardboard and paint.
In this episode, customs and Immigration stop a man wanted by Fijian Police, a colourful Kiwi arrives home with gold, silver and diamonds and a fight against organised crime at the Ports.
Season Final: In this episode, an American builder seems to think visiting the Customs red zone is a joke, a very sneaky concealment inside lithium batteries, and some serious biosecurity breaches at the border.