Lucky Prescott's life is changed forever when she moves from her home in the city to a small frontier town and befriends a wild mustang named Spirit. A young girl named Fortuna "Lucky" Prescott who moves to the small rural community of Miradero, where she meets the titular wild kiger mustang she names "Spirit" and immediately begins to bond with him.

A chilling story of terror, murder and unknown evil that shocked even experienced real-life paranormal investigators Ed and Lorraine Warren. One of the most sensational cases from their files, it starts with a fight for the soul of a young boy, then takes them beyond anything they’d ever seen before, to mark the first time in U.S. history that a murder suspect would claim demonic possession as a defense.

The plot follows H, a cold and mysterious character working at a cash truck company responsible for moving hundreds of millions of dollars around Los Angeles each week.