27 years after the Grips-Sou Rat Club victory, the clown is back to spread terror on the streets of Derry. From now on, the members of the Club have all left the small town to make a living. However, when new child disappearances are reported, Mike, the only one remaining in the group, asks others to join him. Traumatized by their past experience, they must master their deepest fears to destroy Flu-Sou once and for all. But they will first have to face the Clown, which has become more dangerous than ever.