Seventeen-year-old Billie feels like she is on top of the world. She gets to spend the summer with her best friend, sparks are flying with her crush, and she has received a promotion to ride operator for one of the most buzzworthy new attractions in the theme park she works at. But the first night on the new job takes a dark turn when her creepy coworker mysteriously dies…on her ride, when she isn't authorized to be running it. At first, it seems like he died by heart attack, but by the time she returns to the body with help, it looks like a broken neck. Had she just imagined him sitting upright a few minutes ago? It's as if someone is trying to pin his death on her, and she has one night to figure out who is really responsible before she is blamed. Billie recruits the help of her friends to sneak around the park after-hours and search for the truth. But as the night stretches on and more people wind up dead, Billie realizes she may not make it out of Murder Land alive. And her friends may know more than they're letting on.