Seven years ago, two boys went missing at sea - and only one was brought to shore. The Sandbank, a remote stretch of coast dotted with beach huts, was scarred forever.
Sarah's son survived, but on the anniversary of the accident, he disappears...
It is 1940 and the bombs are falling thick and fast on London. The royal family must do all they can to assure the British public of their solidarity. But what of the two young princesses - Elizabeth and Margaret? How can they be kept safe without...