When the LA Chief Medical Examiner, Dr Carolyn Hove, discovers some inconsistencies in a routine autopsy, she calls in Detective Robert Hunter of the LAPD Ultra Violent Crimes Unit. Not only was the victim not killed in a hit-and-run, but Dr Hove also found signs that they’d been severely tortured prior to death.

Their investigation leads Hunter and his partner, Carlos Garcia, on the trail of a twisted and clever killer who hides in plain sight. A serial killer no one even knew existed – a killer who has always operated under the radar, expertly disguising every gruesome murder as an accidental death.

But how do you investigate a murder when you have no victims? How do you catch a killer who leaves behind no crime scene? How do you stop a ghost who no one can prove even exists?