Pia's life, a girl from a small German town, changes when surprisingly, finds in her garden a huge black monster. She soon discovers that the mysterious creature, which is called Yoko, is actually a kind yeti spiritually protecting animals and children worldwide. Its great value calls attention to two hunters who want to take advantage of the yeti.
When the mighty Viking Halvar suddenly disappears, his clever but timid son Wickie must lead the Vikings on a dangerous journey to rescue his father from the evil Sven and go in search of the legendary treasure of the gods.
Life isn't easy for 10-year old Ricky - his cooler, bigger brother Micha, who just dropped out of school, is always giving him a hard time. Their parents business is in trouble, and with emotions running high, Michas conflicts with his father threaten to boil over. Things change when the tough and headstrong girl Alex and her dog move to town.
