Following the enforcement teams at Heathrow Terminal 3, Calais, Dover.

A charismatic passenger stirs up conflict between the immigration staff, while customs officers target those smuggling animal products.

A suspected in a smash and grab heist at a jewelry store in Austria; officers play spot the imposter in Lagos, Nigeria.

At Heathrow's Terminal Three, officers stop a student from entering the UK after a trip home to his native India, while the team in Calais search lorries they suspect are being used to smuggle illegal immigrants.

The U.K. Border Force charters a plane to deport multiple offenders.