On this island your friends and your enemies quickly end up the same . . .-1985-When fifteen-year-old Catherine sees her best friend slip from a wild cliff path she vows never to say a word. But Catherine was the last person to see her alive.-1940-Charlie is also holding back a secret from the adults on the island. As German soldiers arrive on Guernsey, he carries out an act of rebellion with consequences that will reach far into the future - and into Catherines own life.