It's the start of the school holidays and the port's IT has stopped working. The largest cruise ship of the season arrives. And police intercept a driver who's high at the wheel.
It's full on at Dover as three giant cruise vessels dock at once. Maintenance work starts on the famous white cliffs. And a man's detained on immigration offences.
Undercover cops hunt for drivers breaking the law. There's a leak in the tunnels under the white cliffs. And the engineers have their hands full with a broken berth.
With major works hampering port operations, the engineering crew get busy. And the team welcome some very special visitors on the Children's Magical Taxi Tour.