Naive Amsterdam schoolboy Ollie Hartmoed's life is a complete mess. His parents and even his grandparents separate, so he's thrown together with step-brothers. Even the family firm, a mega drapery store, has been sold to a soulless firm, which runs it into the ground. Meanwhile Ollie strives to square family, friendship and a crush on rich alderman Tulp's brat daughter Germaine.
Something quite unexpected happens when Annie is forced to spend the summer with her aging, warrior grandmother in the sleepy rural town of Singing Rocks, China. It doesn't take long for Annie and her cousin Yong to find out that their grandmother is the keeper of three secret and powerful masks that will guide them in their quest to be the next generation of warriors to help save the world.
Arpo might seem scary but he isn't some top secret government's project, he is just a harmless housekeeper; one who unfortunately finds himself working for the wackiest family known to mankind.
Yoyo and Darwin are the best of friends. As a practicing magician, Yoyo believes he can use his magic to comfort Darwin when he is upset. Though Yoyo’s spells don’t always go as planned, the friends always find a way to help each other out in this heartening series.