The thousands of lifeboat volunteers across the UK and Ireland are willing to put their lives on the line to rescue those in danger at a moment’s notice. Once they have launched, they have to place their trust in their training, their equipment and, most importantly of all, their fellow crew members. They also know that they will have to ask strangers who may be in pain, fear and mortal danger to put their trust in them. In the fast-flowing and treacherous currents of the Bristol Channel, the crew of a Weston-super-Mare lifeboat face one of their most critical shouts ever, as a routine call-out turns into a race to save three casualties who have been caught by a rising tide, are exhausted from trying to swim against the current and are now in grave danger. On the north east coast of England, an angry sea has trapped a father and son against a cliff face with no way out. The Redcar crew race to reach them before the last strip of dry of land disappears under the waves. Meanwhile, in Swanage on the south coast, both of the station’s lifeboats launch when two mayday calls come in back to back, one to a grounded yacht and the other to a skipper who has suffered a severe injury after catching a hand in his yacht’s winch.