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Every time any of the 400 lifeboats across the UK and Ireland are called out on a shout, the crews on board must manage a whole range of emotions - and face their fears.

In north Wales, the Conwy crew respond to reports of two people - including a young boy - who have been caught out by the tide and are now struggling to stay afloat. Just along the coast, the crew at Flint come to the aid of a yacht which has lost its moorings and is now stuck under a railway bridge with its owner still on board.

In Ilfracombe, north Devon, the crew face a race against time to find a person who has let off an emergency distress signal. And in Walmer, the crew head out into the English Channel to reports of a 60-foot barge which is taking on water.