One day, 15 year-old Cally Stone finds a wierd looking comic book on her backpack, after visiting a local comic book store with her brother, Lance Stone. She soon finds out that the main characters of the comic, named Violet and Blaze, are their dark, animated alter egos, and that the comic can predict future events on the real world, such as Cally new secret admirer
Lance participates on a midnight graveyard game with some bigger kids, not knowing that the Dark Oracle´s second issue predicts great , and lethal, dangers for him and for his friends
Jack, a boy Cally likes, has a frightening change of personality, now she must find out what has caused it. Meanwhile, Lance offers his help at Gamerz Cave, and accidentaly discovers that the owner goes to meetings of a secret society.
Lance is angry at Dizzy, after he accidentaly shows to the entire school an embarrassing video of Lance on his underwear. As the comic predicts it, Lance tries to get even with his friend on a Paintball match, not knowing that the situation will get even more violent later.
The fifth issue of "Dark Oracle" predicts that Violet´s and Cally´s school men fashion show will be a disaster. So now Cally must do everything she can to prove the comic wrong.
The Stone twins and most of their classmates participate on a "Scavenmger Hunt" around the town, Sage and Lance being partners. During the hunt, Sage gets weird anonymous phone calls, which she thinks are from pranksters--but she wrote her phone number on the last issue of "Dark Oracle". Could the phone calls be from Violet, trying to make contact with Cally and Lance?
A "bad girl" comes from Quebec to Cally and Lance's school and befriends Cally, after having had a falling-out with Annie, who radicaly changes her actitude for worst. Cally's new friend promises her she'll help Cally get the guy she's after, but Cally is going to know that "you can´t judge a book by it´s cover".
After a werid test, Lance is selected to join Doyle's secret society. Meanwhile, Doyle's strange toad Nemo escapes Gamerz for a short time. Lance discovers that Doyle seem to know nothing about the comic book that is ruling their lives.
Cally uses a magical spell while trying to get Annie´s friendship back, but she doesn´t know that the spell will attract every single one of her classmates except for her.
the comic bool predicts that Blaze will kill himself by jumping off a building whilst Lance gets dumped by Sage because of his worried attitude about this.
Cally thinks that Omen, the new guy around school, is her perfect match, but Lance doesn´t think he is what she thinks. Is he wrong, or Omen indeed has to do with "Dark Oracle"?
Cally is tired about the comic, so she tries to get rid of it. But as soon as she does it odd things start happening in her life.
Lance and Cally haven´t another choice but to bring Omen back and make him help them in the duty of destroying the comic, once and for all.
When Dizzy confronts a bizarre initiation at Vern's new fraternity, he learns that Lance is not the only one who has to confront the horrifying events predicted on the "Dark Oracle"
Cally is horrified when she sees that Emmett, her new crush, will have a car accident. So on the day of the fall dance, Cally and Dizzy must do everything to stop Emmett from using his car.
Lance is worried about Sage, that has been acting oddly. What he doesn´t know is that an evil version of her has taken over the real Sage!
Cally, and even Dizzy, are worried about Lance: he has been playing an online videogame in an unhealty way. After looking for clues in the new "Dark Oracle", they finally realise that Lance has been playing with his dark alterego: Blaze.
Cally and Lance have to solve two dangerous situations. First, they must control a wild party on their house, and second, they must fight Vern, that has recently gained information about the "Dark Oracle" comic book
Dizzy enters a TV singing contest after the "Dark Oracle" predicted that he will became a famous rock star. But he soon understands that for every good thing there is a bad thing when he has the misfortune of picking up an obsessed fan who won't leave him alone.
Now is up to Cally and Lance to locate Vern´s upcoming "Familiar" using the comic book, not knowing that his magical skills have advanced in an extreme rate. Also, Dizzy has a crush on the friend of Cally, Rebecca
Cally freaks out as soon as the kids on a camping trip start vanishing one by one, probably involving the comic book.
Cally thinks babysitting Rebbeca´s little sisters is boring, not knowing that Violet plans to change the situation for worst.
Omen finally returns to the real world when Vern takes a psychic journey through all the back issues of Dark Oracle
Everybody thinks Omen is now a hero when he saves Lance from being suck into the "Dark Oracle", but is he really what he appears to be?
Lance is finally out of the comic, thanks to the help of Cally, Doyle, Vern and Omen, but while doing it he gets caught in the comic by his evil counterpart, the puppet master, who has secretly directed everybody´s life.