While investigating the mysterious deaths of three girls in the remote town of Briarwood, Detective Evan O'Riley tries to solve a cold case of the town's serial killer from the 1960's.
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Three sixteen-year-old girls are found dead after being plunged off the roof of their school. The question it poses: did they jump, or were they pushed?
Detective Evan O'Riley has been solving crimes in Riverton for six years. Some cases have answers, others remain unsolved. His latest case brings him to the remote town of Briarwood where he begins his investigation into whether the case is a triple homicide or suicide.
While working the case, Evan hears about an infamous serial killer that brought havoc to Briarwood in the 1960's called the The SAD Killer. The best part? He was never caught.
As Evan tries to solve the triple deaths of the girls, he gets swept fifty years into the past, digging up case files and tracking down old family members and investigators from the 1965 murders. Evan becomes determined to solve the mystery once and for all and finally put a name to the SAD Killer.
But little does Evan know, the killer may be closer than he thinks...