A tale of medical suspense where the power to heal can be a licence to kill. Dr Harry Corbett suffers the loss of his wife and one of his patients in such a way... » 

A tale of medical suspense where the power to heal can be a licence to kill. Dr Harry Corbett suffers the loss of his wife and one of his patients in such a way that he is forced to the conclusion that a killer is moving undetected through a busy hospital - and that it is one of the doctors. «