Police are on high alert when a lorry driver claims he has a gun.

It's the start of the school holidays and a worldwide IT outage threatens the port's entire operation. The team race to bring in the largest cruise ship of the season and police intercept a driver who's high at the wheel

It's the busiest day of the year for Dover's cruise terminal, with three ships docking at once. The maintenance team go to work at the world-famous white cliffs, and the police stop a man who's wanted on immigration offences.

Undercover cops hunt for drivers breaking the law. There’s a leak in the tunnels under the white cliffs. The engineers have their hands full with a broken berth.

Major works are hampering the ferry terminal's operations. The engineering team race to fix the marina's broken gates - the gates that also stop the port from flooding. And the team welcome some very special visitors: the Children's Magical Taxi Tour