18 year old Lara Walters is living her best life. She's studying for University and works Part-Time for her dream company. One day, while working home, she sees a body in a dark tunnel and realises it is someone she knows. Over the course of the next few years, people she knows are murdered around her by someone lurking in the shadows. Will she find out who is murdering people she knows, or will the murderer stay hidden?