422 First air date: 2019-12-23
In an abandoned house in a small village, five youngsters discover a secret passage to a mysterious world hiding a priceless treasure. However, the joy brought by this extraordinary discovery will be short-lived for Lou and his friends. Threatened by immoral villains, our young protagonists have no choice but to plunge into this strange world to save themselves and embark on a treasure hunt that push them to their ultimate limit.
