It’s the holidays and all is well for Marinette… until she finds out that Adrien had to leave with his father for Shanghai, China. Fortunately, this is where her Uncle Wang lives, whose birthday is approaching.
To find Adrien and discover her origins, Marinette decides to hand her gift to Uncle Wang. But shortly after her arrival, Marinette loses all her belongings, including her bag, Tikki… and the Ladybug Miraculous which allows her to become Ladybug!
To find them, she will team up with Fei, unaware that she is the one who stole her things!