When an insidious supernatural force edges its way into a seemingly straightforward investigation into the gruesome murder of a young boy, it leads a seasoned cop and an unorthodox investigator to question everything they believe in.
Cast: Yul Vazquez, Jason Bateman, Jeremy Bobb, Cynthia Erivo, John Gettier, Marc Menchaca, Ben Mendelsohn, Julianne Nicholson, Derek Cecil, Bill Camp, Summer Fontana
The group finds itself in a climactic showdown in their last-ditch, desperate attempt to root out El Coco.
After obscuring their true purpose in town from local police, Ralph and Yunis interview witnesses from the cave festival, while Holly and Andy visit the scene; later, the group considers its next move as Claude deals with his role.
Sensing something ominous afoot, Claude reconnects with his brother in Tennessee, while Holly, Ralph, Yunis, and Andy follow him in hopes of isolating the evil force and thwarting its next kill; a visiting family avoids danger.
Holly makes a calculated attempt to help a volatile but conflicted Jack, while their whereabouts are tracked by Ralph and Alec. After she's confronted by town gossip on her first day back at work, Glory considers Howie's suggestion on how to secure her family's financial future.
Holly presents her theory about the connection between two other child murders and the Frankie Peterson case; while Ralph remains skeptical, Yunis suggests they start looking into Claude, the last person to have contact with Terry.
After returning from an eye-opening trip to New York, Holly searches for clues at several locations connected to the Dayton case; Jeannie finds herself shaken by an unnerving incident at work and delivers an ominous warning to Ralph.
While retracing the Maitlands' recent family vacation, Holly pursues a possible connection to an eerily similar case and gains valuable insight from local former detective Andy Katcavage; Glory faces increased scrutiny in her daily life.
Despite being on mandatory leave, Ralph continues to scrutinize the circumstances surrounding the night of the murder; Jack has a hair-raising experience at a remote barn where key evidence and a mysterious substance have been found.
Ralph admits to being baffled by conflicting physical evidence; an unexpected tragedy throws the investigation into a tailspin; Glory tries to soothe her daughter Jessa, who says she's been visited by a strange man in her room at night.
When the body of an 11-year-old boy is found in the Georgia woods, detective Ralph Anderson launches an investigation into the gruesome murder; eyewitnesses and physical evidence point to local teacher and baseball coach Terry Maitland.