When the tortured body of a young woman is found in a dumpster, her eyes swollen shut and her clothes soaked with blood, Detective Erika Foster is one of the first at the crime scene. The trouble is, this time, it's not her case. While she fights to secure her place on the investigation team, Erika can't help but get involved and quickly finds a link to the unsolved murder of a woman four months earlier. Dumped in a similar location, both women have identical wounds - a fatal incision to their femoral artery. Stalking his victims online, the killer is preying on young women using a fake identity. How will Erika catch a murderer who doesn't seem to exist?