The No.1 bestselling book from Mark Edwards and Louise Voss. A terrifying enigma - with the power to destroy... Twenty years ago, Kate Maddox was a volunteer at a research centre where scientists hunted for a cure for the common cold virus. That summer, Kate fell in love with a handsome young doctor, Stephen, but her stay ended in his tragic death and Kate fled to a new life in the US. Now Kate is back in England and on the run with her young son,...