Clara is forced to flee her home as the Nazis invade the beautiful island of Guernsey, leaving her mother Julia behind. She's scared and alone, but her spirits lift a little when she learns she's headed for Blackpool.
Her slight hopes are crushed however when she is housed with and at the mercy of a cruel shopkeeper, Miss Brandon. Clara is worked like a dog, but the warmth of some newly made Blackpool friendships will go far to save her.
Separated from her beloved daughter, Julia heads to London to try and track Clara down but she is thwarted at every turn. With no idea where her daughter is, and the trials of war keeping them far apart, will they ever be reunited?