Now that she's solved her sister's murder, Hallie Michaels has left the army and isn't sure what to do next. Her relationship with deputy Boyd Davies is tentative, there's still distance between her and her father, and she needs a job. The good news is, she hasn't seen a ghost in weeks. All that changes when she gets a call asking her to help an elderly neighbor who is being stalked by black dogs, creatures from the underworld that are harbingers...