Dover 24/7: Britain's Busiest Port S01E05 - Episode 5
Summary:
The engineering team rushes to fix a broken ferry berth. The police are out on patrol in an unmarked car, looking for drivers breaking the law. And it's a race against time to find a leak in the labyrinth of tunnels under Dover's white cliffs.
Dover 24/7: Britain's Busiest Port S1E5 Screenshot