Five young people discover a passage leading to a world that houses a treasure of great value. Pursued by two men with malicious intentions, they will have no choice but to plunge into this strange universe.
Lou discovers the universe of 422 thanks to the map stolen from Raphaël and Joe. Meanwhile, Sacha is held captive by criminals who question his explanations about the group's presence at 422 Sauvé Street.
Sophie and Lou continue their search to find Lucie and Luc, lost in the eighth dimension. Our young ones meet Dju, a warrior, who guides and protects them from danger in the 422 universe.
Lou discovers a pile of bodies. Queen Holka wants to track down the intruders who threaten the balance of her kingdom. She is shocked to learn that they possess the map of 422.
Lou, Sacha, Sophie, and Dju enter the castle of 422 to find Luc and Lucie. Raphaël tries to sneak into the museum where The Forgotten Queen is on display.
With time running short, Lou and her friends face a challenge that forces them to reveal their true selves in order to continue their quest and ultimately reach the treasure.
Our young people gather in a place where they must face the challenge of the second trial. Sophie discovers a precious object that disrupts the group's balance. The Shadow Warriors locate the eighth passage.
