YingYing Zhang, a student at the University of Illinois, misses a campus bus by seconds and then vanishes. As police trace the final moments before she disappeared, they discover a dark secret on campus that takes the case in a shocking direction.   

After overcoming a troubled childhood, Brittney Gargol is on a path to a bright future; when the Canadian high school senior is found murdered by the side of a desolate road, a surprising clue leads to an arrest.