Duncan is bored with his summer job working in the lost-and-found department of the Toronto subway system. Then one day, someone turns in a diary and Duncan takes a peek inside. What he reads is so disturbing that he actually goes to the police because he fears that the diary`s owner is a potential serial killer. When the police refuse to investigate Duncan`s claim, he and his friends take it upon themselves to find the diary`s owner and prevent a murder.