John Sergeant presents a TV love letter to one of Britain's most iconic aircraft, the Sea King helicopter. An unsung hero of Britain's flying past, vital in wartime and yet essential to the search and rescue work of the Royal Navy. This is a craft with a true royal seal of approval, piloted as it is by HRH Prince William. Uncovering the stories of the people who owe their lives to this great bird, John salutes its service to the nation.