For this season Marinette, Adrien, their kwamis Plagg and Tikki as well as the entire team: Rena Rouge Alya Césaire, Carapace: Nino Lahiffe, Queen Bee: Chloé Bourgeois (formerly), Viperion: Luka Couffaine, Pegasus: Max Kanté, King Monkey: Lê Chiến Kim, Ryuko: Kagami Tsurugi, Bunnyx: Alix Kubdel, Pigella: Rose Lavillant, Polymouse: Mylène Haprèle, Vesperia: Zoé Lee, Purple Tigress: Juleka Couffaine, Minotaurox: Ivan Bruel, Rooster Bold: Marc Anciel, Caprikid: Nathaniel Kurtzberg, Miss Hound: Sabrina Raincomprix and Argos: Félix Fathom all face their ultimate challenge as a team when they become aware of the Multiverse and see what both dangerous villains and heroes from other worlds cross over into theirs thanks to a tear in the Multiverse that was formed after Gabriel Agreste made his wish to bring his wife Amelie back and sacrificed himself... Are the new heroes up to the task or will they crumble under the pressure? Only one way to find out for sure.