The choice should be an easy one, given that Claire was born in the twentieth century and has already seen the future - in history books. But things are never simple where the Frasers are concerned, as father and son unwittingly come face to face on the battlefield, and an old adversary reaches forward in time to threaten the next generation.

Up to now, Claire and Jamie's love has survived every danger history has put in their path, but in the chaos of war, with families bitterly divided against each other, is the future finally going to catch up with them?