"There was always something slightly dangerous about Joan. So, when she turns up at private investigator Henry Kimball's office asking him to investigate her husband, he can't help feeling ill at ease. Just the sight of her stirs up a chilling memory: he knew Joan in his previous life as a high school English teacher, when he was at the center of a tragedy. Now Joan needs his help in proving that her husband is cheating. But what should be a simple...