Featuring a man caught smuggling cigarettes.
A passenger caught at Bristol airport with too many cigarettes admits to having done it for years, and the crew of fast cutter Searcher investigate mysterious pot-markers off the Cornish coast.
In Bristol, customs officer Ann catches three passengers with 87 kilos of tobacco worth thousands of pounds.
In Dover, a giant X-ray machine helps officers tackle industrial scale smugglers hoping to hide amongst the thousands of trucks flooding through the port each day.
A ton of cannabis concealed in a truck is discovered at Dover and an intimate search gets to the bottom of a suspected heroin smuggler at Gatwick.
Customs officers board a suspicious yacht off Cornwall and receive an angry welcome. In Dover, officers searching under a truck find an illegal immigrant hiding on top of the engine.
At Gatwick, officers get a tip-off and are on the lookout for a passenger previously charged with importing drugs by surgically stitching them into a live Labrador.
Sniffer-dog Badger picks out a suspect suitcase at Gatwick and his handler finds nearly three kilos of cocaine hidden inside and at Bristol Airport a man is caught smuggling cigarettes.
Sniffer-dog Barney makes his second cocaine discovery in three days when a woman from Trinidad is arrested. In Manchester, a passenger from Bangladesh is arrested after becoming a suspect involved in a terrorist coupe.
A woman arriving at Gatwick is caught attempting to smuggle three kilos of cocaine into the country, and a man flying to Ghana is apprehended with a young boy who is not his biological son.
A self-styled celebrity chef has the wrong ingredients in his luggage.
At Gatwick, officers arrest two Lithuanians with suspicious behavior; x-rays reveal that they each carry fifty cocaine pellets in their stomachs.
Following customs officers across the South of England as they turn up the heat on smugglers.
Custom officers find 10,000 cigarettes hidden in the back of a man's truck.
The cash hounds find a questionable cache of cash.
Following customs officers across the South of England as they turn up the heat on smugglers.
A smuggler has no choice but to give himself away when the sniffer dog catches on.
Will a full body scan in Gatwick prove that one man's excuses are a little hard to swallow? On a flight from Spain, a couple bring back more than a sun tan. And quick fire questioning proves to be the downfall of A hapless smuggler.
A grandmother loses her cool after a suspect package is found in her laptop. Officers in Birmingham stub out a couple's plan to make a quick buck. And high traces of cocaine are found in Gatwick.
A man stopped in Dover gets nervous as his car's searched. A group in Birmingham with lots of cash are caught being economical with the truth. And one man's Ibiza trip sets alarm bells ringing.
An angry man causes some excitement at Birmingham airport.
In Gatwick, one man's nerves seem to give the game away. On a flight from Malaga, one passenger seems to have forgotten who he's travelling with. And in Birmingham officer Mike pulls over one unhappy customer.
A flight from the Caribbean yields a number of suspicious looking packages.
In Calais, no-one can hold a candle to sniffer dog Wax's people-finding prowess. In Gatwick, a man of faith hopes for a bit of charity. And paramedics are called to a flight from Jamaica after a passenger is taken ill.
In Bristol, Polish cigarette smugglers caught being careless end up carless. In Birmingham, a Chinese man carrying £3000 seems to be lying about his wages. And in Gatwick, one couple's Jamaican holiday ends on a high.
In Gatwick officers take no chances with a suspicious traveller, Sniffer dogs are put to the test in the war against drugs. And at least one man appreciates the work done by the border agents on the front line.
In Gatwick, one man is confused as to who his bag belongs to. On an inbound flight from Madrid, one passenger seems to let his nerves get the better of him. And one repeat smuggler gets his memory jogged.
After many years on the frontline nothing surprises Officer Fitz. In Bristol Officer Joe has become wise to a classic smuggler's game. At Gatwick airport, an incoming flight from Madrid has put UK Border Agency officers on high alert.
Officers acting on instinct make a startling discovery. On a flight from Barbados, one passenger has something to hide. And in Gatwick's freight terminal one officer learns to never judge a book by its cover.