Colter Shaw is on the trail of another small-town crime, and he's about to find a clue with some sinister implications. Collider can share an exclusive sneak peek at "Collision," the upcoming eighteenth episode of Tracker's sophomore season that will take Justin Hartley's lone wolf survivalist to Willow Creek, Michigan. He's been hired by a concerned mother to determine the whereabouts of her daughter, Riley, who hasn't been seen since she mysteriously vanished on her way home from work one day. To get some answers, he links up with Detective Katie to narrow down where exactly Riley could've gone missing.

In the footage, Colter is trying to pinpoint Riley's last location, but he and Katie initially appear to be at a loss. A canvas of the area turned up nothing, and she never appeared on the security cameras at the nearby gas station. Even worse, a phone location...