It has been 10 years since Katie's parents were murdered and since then, she has been on her own. Ever since that night she has sworn revenge to the people who killed her parents and has been picking them out one by one until she has finally gotten to the last man. She finds herself in Chicago where the man lives but is interrupted and now finds herself having to flee the city. Katie is tagged along by some companions but who can she trust when they don't know who she really is?