One May night Mattie Harris's body is swept along the rain-swollen river, back to Lydmouth. Mattie couldn't swim, so did she fall? Was she pushed? Mattie was ju... » 

One May night Mattie Harris's body is swept along the rain-swollen river, back to Lydmouth. Mattie couldn't swim, so did she fall? Was she pushed? Mattie was just a waitress, but Lydmouth's prominent citizens seem anxious to establish it was an accident, but then comes another death. «