He hid the old pencil-drawn map for 40 years.
The guards never found it.
After 40 years in San Quentin, Luke Palmer leaves with a state-issued suit, $100 dollars to buy a bus ticket, and a map that will lead to a promise and into the heart of a dark forest.
College graduate student Molly Monroe is about to release rare butterflies not far from where the FBI used 4,000 bullets in a shootout to kill Ma Barker and one of her gangster sons in 1935. Molly snaps a picture that will frame something she never sees coming.
Sean O'Brien does see something -- a predator. Between the sea of cars in a Walmart parking lot. Walking quickly. Stalking two women.
As O'Brien tries to prevent the abduction, he opens the door to a new relationship. And he opens a dark door to a horror that is secluded within the forest. He follows veiled tracks that lead him farther into the woods where an evil from the past intersects with a frightening presence to form a volatile trap with only one way out.