Border Security: Australia's Front Line

In this special edition, see some of the amazing lengths people will go to in order to conceal and smuggle illegal goods across our borders.

They might be in the wrong but that doesn't stop passengers with undeclared food items spitting the dummy on their way into Australia. In a special edition, Border Security showcases the most memorable moments featuring passengers who find themselves in strife at Quarantine.

In an Australian television first, Seven’s Border Security cameras were embedded with the Armed Forces elite C-Squadron on the dangerous frontlines of Afghanistan. This gripping one hour special takes viewers deep behind Taliban enemy lines with Australia’s Chinook helicopter pilots as they risk their lives under constant enemy fire to transport soldiers and vital supplies to the frontline.

Go behind-the-scenes of our Immigration, Customs and Quarantine departments.

A positive test result for cocaine on a passenger leads to a formal interview, a Federal Police investigation and a trip to the local hospital.

An English tourist's life with her boyfriend in Australia hangs in the balance. The Australian Customs Vessel intercepts an illegal fishing boat.

Customs are faced with a challenge when they try to find out what a passenger with some unusual travel movements is concealing. Immigration officers try to find out the truth from workers who have a lot to hide during a factory compliance raid in Western Sydney. Two Canadian passengers wanting to have some fun and indulge in a little partying struggle to make it through Quarantine.

An angry Hong Kong banker tries to tell Customs officers how to do their job. The mother of a New Zealand passenger hoping to attend a family reunion makes a passionate plea to Immigration officers. Customs find some new methods of concealing drugs when they search some parcels from India.

Customs go on the hunt for drugs on two suspicious passengers from different flights from Vietnam. Immigration interview a British passenger who has declared a criminal record, while his girlfriend waits at the airport. Quarantine staff find an act of shocking cruelty in a parcel from China.

A sweet-sounding French student is suspected by Customs to be concealing drugs. A Malaysian passenger is betrayed by his wife in Immigration. Customs search the contents of a couple of plastic bottles with something concealed in them.

An Australian passenger returning from the Philippines tries a few moves on Customs. A Malaysian person doesn't let the truth get in the way of his story in Immigration. A woman from Hong Kong becomes very nervous when Customs officers discover suspicious documents.

A drug swab could tell Customs a different story. Document experts find multiple cases of identity fraud .. have they uncovered a crime syndicate? And someone has gone through a lot of trouble for a box of cheap toys.

Unusual clues could mean there's trouble ahead for an American designer. Officers have serious questions for a very flamboyant traveller. And a passenger tries to start a food fight.

A former Miss USA contestant has officers suspicious, and officers find bizarre contents inside a bag. Plus, a romantic reunion on hold, and one of the most brazen attempts at smuggling contraband into the country.

Staff are given enough reason to suspect a bomb is in someone's luggage and the entire airport is shut down. Elsewhere, travellers challenge the highly trained intuition of Customs officers and a businessman's ambitions hit a snag.

A Singaporean passenger arrives for a holiday, but Customs officers are more interested in the declared food that he has brought with him. A dawn raid by Immigration takes a few people by surprise. A woman returning from Italy has to get past Quarantine officers before she can meet her husband.

An Australian passenger returning from Lebanon brings a bag that, when its contents are emptied, turns out to be full of surprises. A young American finds out the hard way that you never really know someone. Quarantine find a box of noodles with a very expensive price tag.

A persistent caller to a mobile phone could help Customs find out the real reason why a passenger travelled to Vietnam. Quarantine need to know what a Sri Lankan passenger is carrying. Some explosive allegations about a criminal background could send a Latvian passenger home.

A Taiwanese woman struggles to answer a barrage of questions after drugs are found in her bag's handles. A Malaysian passenger refuses to take no for an answer. An entire family returning from Fiji may have set a new record for undeclared items.

There is a chance that a returning young Australian passenger has decided to dump some evidence, ignoring his mother's advice by doing something stupid. Immigration catch a woman lying about her travelling companions, with a simple farewell card getting all of them into trouble. A wardrobe malfunction in Quarantine reveals an elaborate concealment.

A Nigerian woman claims to be a fashion designer, but Customs officers don't think her story measures up. A sudden memory lapse could be a problem for a Polish passenger who has just travelled for 23 hours to visit his girlfriend. A mysterious box has Quarantine officers digging for answers.

An unhappy passenger pushes Customs officers too far. Immigration officers conduct a massive hunt for evidence in a huge operation to catch illegal workers. A doctor's wife suddenly feigns sickness after Quarantine discover undeclared food in their bags.

All the indicators suggest a Chinese passenger is smuggling drugs, but a surprise phone call leads to a manhunt. One tiny clue unveils a Malaysian passenger's hidden secret. A major threat to Australia's border is concealed in the image of a former South African President.

An American college student might be in the country hopingf or a good time but there is strong evidence in his bags that this isn't the case. A young mother attempts to bluff her way past officers but they are onto her surprising secret.

A man finds it hard to explain why he has arrived but officers believe that they know what he is up to. Officers are shocked after a mysterious package is opened. An investigation into a young mother becomes a matter of life and death and stuns everybody involved.

Officers think that there are a few illegal stowaways hiding amongst a large tour group. There is a very shocking surprise in a shipment from Egypt.

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.

A couple from Vietnam come to claim a lost suitcase but what's hidden inside will change their lives forever; some suspicious-smelling parcels land at the mail centre.

Border Force investigate when it emerges that two young women have had their plane tickets paid for by someone they do not know.

Officers suspect a Brazilian man is lying to them, and the truth may lie in his bag; a Chinese student in a hurry attracts the attention of biosecurity officers.

A man with a shadowy past claims to be a devoted father, but doubts arise as his dark history is revealed. In the mail centre, a suspicious jar of Biscoff spread has a bit of ‘extra crunch’ inside.

A cookery student from India finds himself in hot water. Biosecurity finds something alarming in food from Indonesia, and a discovery in some motorcycle mufflers could be a hammer blow to smugglers.

A French party-goer is lying… and officers need to find out what's he's hiding. A traveller has something dangerous hidden in her jewellery box, and a parcel is painting a suspicious picture.

A Vietnamese student tells officers that someone else packed his suitcase, but border force will sniff anything he might be hiding. An Australian resident has some seriously leaky luggage. Biosecurity are not the only ones upset by what's inside. A cheeky Irish backpacker has taken up some inappropriate work, what officers find might wipe the smile off his face.

Authorities are concerned about an erratic Chilean woman, whom they suspect is trafficking drugs. A Malaysian man's bags test positive for traces of narcotics.

An unsuspecting elderly couple are found to be carrying a supply of something illegal and possibly deadly. Also, biosecurity catch a Vietnamese couple with a bag full of restricted items.

A nervous passenger gets the attention of officers when a vile stench is detected in his luggage. A Chinese couple try to blame their children for bringing a major biosecurity risk.

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.