Ferry captain Mark steers his 35,000-tonne ship across the Channel with drunken passengers onboard. Cross-Channel swimmer Naomi attempts to navigate the maritime motorway in unforgiving conditions.

This episode has unprecedented behind-the-scenes access to the Channel Tunnel, meeting senior engineers responsible for keeping it running and truckers trying to avoid 20-mile traffic jams.

Know what this is about?
Be the first one to add a plot.

Know what this is about?
Be the first one to add a plot.