Chapter 1 of a suspenseful thriller where ordinary people face extraordinary danger and must fight to survive.

When Dr. Pham becomes the prime suspect in a police sergeant's murder, he must evade capture while police hunt him through caves and neighborhoods, with his life hanging in the balance as evidence mounts against him.

When a young boy goes missing from his backyard, police discover blood evidence and launch a desperate search that leads them to a cave in Southern California where they confront a serial killer who has already claimed one victim.

After being arrested for robbing a drugstore, Leroy Finch breaks free from custody and kills an elderly couple during his escape.