Based on a true story, this gripping crime thriller from director Phillip Noyce plunges into a volatile and dangerous affair. Emilia Clarke stars as Susan Smith, a young woman trapped in a cycle of poverty and addiction in a small Appalachian town, who becomes an informant for the FBI. Her handler is ambitious, married agent Mark Putnam, played by Jack Huston, who sees her as his ticket to a major career-making drug bust. As they work together to take down a local criminal network, their professional relationship spirals into a reckless and illicit romance. The intense passion and escalating pressure of their secret quickly turn toxic, blurring the lines between loyalty, obsession, and survival. With a supporting cast including Thora Birch and Johnny Knoxville, the film maintains a gritty, claustrophobic atmosphere as it builds toward a devastating and inevitable collision course.