During the day, Marinette Dubai Cheng and Adrien Ageste are ordinary teenagers. But without the knowledge of family and friends, they have a huge secret... They turned into superheroes ladybirds and black cats by using the power of magical creatures called quarmi! With the mission of protecting Paris from the evil hawk moth, they must learn to cope with new responsibilities and common troubles involving love, school, family and friends. Most importantly, they must learn to put romantic feelings aside in order to perform their duties without knowing the true identity of the other party.