By daylight, Michael Whitmore and Emelina Agreste are ordinary teenagers, but unbeknownst to their family and friends, the two of them carry a huge secret...using the powers of magical creatures called Kwamis, they transform into the superheroes Superbug and Miss Feline and continuing the legacy of the original Ladybug and Cat Noir. With a mission to protect the city of Paris from the evil Master Negative, the two of them must learn to cope with their new responsibilities, as well as ordinary troubles involving love, school, family, and friends.