内容简介：
Shattered by the death of her newborn twin daughters, Caroline Winters, a young unmarried woman, finds it hard to get her life back on track. Through sheer determination she manages to pick herself up, eventually becoming a brilliant research scientist. Fifteen years later, she is asked to fill in for a friend at Kingas Laboratories, and the nightmares she has tried so hard to fight come back to haunt herathe suspicion that her daughters might still be alive. What she doesnat realise is that the directors have a secret they will kill to protect. Can one womanas determination to uncover the truth become a race against time to save another woman from the same fate? And will Caroline finally find closure on a soul-destroying part of her life?