On the north eastern tip of the Scottish mainland, the crew at Wick begin a frantic search to find a paddleboarder who has drifted a mile out to sea, while her family wait anxiously on the shore. Further south, the Fraserburgh crew respond to a mayday call from a trawler that has run aground with four fishermen on board.In Mudeford, on the Dorset coast, the crew race to the rescue of a small inflatable boat that’s struggling to make it back to harbour in 40mph winds. On the Kent coast, a bystander has reported a capsized catamaran a mile out to sea. And in Rhyl, a Christmas Day call out to a person in the water leads to an unexpected discovery.