Coastal Defenders: Season 1, Episode 4

1 - 4: Sun and Storms

A luxury floating hotel in London's docklands has a rusty bottom, and the Coastal Defenders dive team are charged with making it shipshape once more.

The team are then faced with danger on the water as they attempt to rescue a stricken cruise liner amid one of the winter's worst storms. With a £300 million boat in the frame, the team take no risks on this job for fear of scratching the priceless vessel.