 After taking water samples one day, O'Neil rescues John Adam from nearly drowning, while testing the police's theory about his sister's bike accident.Sympathizing with the Adam family, and attracted to the recently widowed Mrs. Adam, O'Neil becomes personally concerned about Allie's disappearance.Later, reading Schutz's old reports, O'Neil notices an obscure reference to the Steinkopf (Stone Head) Syndrome.