"We're not like everyone else," Charlotte cried. "We're twins. Twins aren't like ones."
Claire Godfrey's tragic death by drowning at the age of ten devastates her family. Robert blames his wife Vivien for the accident, but not as much as she blames herself; Yolande and Ken, the elder children, are left to deal with theit grief themselves. But despite the sheltering love and sympathy of her godmother Sylvia, it is Charlotte who has the heaviest burden to bear, facing life as half a twin.
Seemingly Charlotte adapts as well as can be expected. Only, she refuses to sing any more, stubbornly withholding the beautiful voice she shared with Claire. And mysterious accidents appear to dog her footsteps, alarming, even life-threatening mishaps. But still, no one could ever possibly suspect the secret that Charlotte and Claire keep between them: that nothing and no one can ever truly separate twins, not even death...