In 1994, an aspiring young cold-case investigator in California’s East Bay, Paul Holes, puts aside trying to solve the Golden State Killer case as he waits for science to catch up. Paul returns to an old file cabinet at the back of the forensic lab to look for another cold case he can work—something with DNA. He finds one. The 1978 murder of a married mother who went for a morning jog in a nearby park. The original investigators believed that a serial killer named Phillip Hughes was responsible; they just couldn’t prove it.

In the summer of 1995, at the largest Boy Scout camp in Ohio, a night of sexual violence ended with one counselor dead and another hospitalized. The death was ruled "accidental." It wouldn't be the last death associated with Seven Ranges Reservation. James Renner, too, was a counselor at Seven Ranges that year. He was always sure there must be more to the story of Mike Klingler's death, because Renner also knew firsthand that the 900-acre camp was not the safe getaway it was portrayed to be.

June 26, 2010. A Pennsylvania state trooper witnesses a car speeding and crashing into trees. Stopping to help, he finds that the driver, Michael Ballard, is alive - and drenched in blood. When asked what happened, the man answers, "I just killed everybody." Not far from the accident, police make a gruesome discovery. In the home of Michael's ex-girlfriend, Denise Mehri, they find four bodies that had been stabbed repeatedly with a knife.

Investigative reporter James Renner reopens cold cases that have baffled Clevelanders for years.

Rich Cohen’s Murder in the Dollhouse is the chilling story of Jennifer Dulos, a beautiful, rich suburban mother who dropped her kids off at the New Canaan Country School one morning and vanished. Her body has never been found. Dulos was in the midst of an ugly divorce—one of the most contentious in Connecticut state history. The couple, a beautiful, highly connected pair, met at Brown University, had five children, and led what appeared to be a charmed life. In the wake of her disappearance, Dulos’s husband and his girlfriend were arrested.