The author recounts her life growing up in the Warsaw ghetto and her experiences in the concentration camps of Majdanek, Auschwitz, Ravensbruck and Neustadt-Glewe. It tells of her remarkable survival and of her life after the horrors of the Holocaust.
The story revolves around Tom and Kate's holiday adventure as they stumble upon the enigmatic "Greyghost," a ruined house that transports them back in time through a ghostly mist. There, they befriend Rebecca, a wheelchair-bound girl, and confront her malicious Uncle Ronald and Aunt Clarissa, who threaten her home. As they navigate chilling encounters, including a harrowing experience in a cellar, the trio must outsmart the villains to uncover the mysteries surrounding Greyghost's troubled history.