Tom & Sabine Dupen-Cheng aren't really Marinette's parents, they're her cousins. Marinette's REAL parents are Harley Quinn, and the Joker. Mari had to leave Gotham when she was 10. Mari's class has just won a trip to Gotham, and she could't be happier. But Marinette is the daughter of two Supevillains, and she is Tier of pretending to be, the way her friends think she is. What will happen when Mari reveals her TRUE colors?