"When police investigator Susan Adler is called to the roadside murder of a fellow state trooper, she's tasked with finding the people responsible for the cold-blooded act caught on the trooper's dashboard cam. She traces the car to a nurse who, along with her elderly patient, has been missing for days. At the old man's house, she finds disturbing evidence that instantly revives two cold cases involving long-missing children. The investigation takes...

"Semi-retired private detective Molly Murphy Sullivan is suffering from depression after a miscarriage following her adventure in San Francisco during the earthquake of 1906. She and her husband, Daniel, are invited for Christmas at a mansion on the Hudson, and they gratefully accept, expecting a peaceful and relaxing holiday season. Not long after they arrive, however, they start to feel the tension in the house's atmosphere. Then they learn that...

When college coed Megan Gunther is murdered after she receives threats on the Internet, NYPD detectives Ellie Hatcher and J.J. Rogan investigate the crime and its links to other murders and accelerate their efforts once Megan's roommate goes missing.