After a bump at the mine, a group of miners find themselves in a bad situation. One small voice speaks up.
Grandpa Snow shares what he knows about the stones and some of the old legends that he heard as a boy.
Jaak and Tag go to visit Layan and meet someone new, who knows more about the stones.
The morning school bus ride gets off to a flying start and the boys decide to schedule another visit to Layan.
A new school year has begun and Jaak and Tag discover that not only the season has changed.
Jaak, Tag and Dieter make a visit to Layan to show him their find and follow some cookie crumbs.
Jaak and Tag find a cavern filled with amazing contents and send an alert to some long forgotten visitors from the past.
The three friends explore a lava field and discover a cave that leads to a new lava tube.
Jaak, Tag and Dieter go camping together and Tag notices that some things are changing.
Dieter’s exuberance gets him into a sticky situation and the boys learn that there are more lava tubes to explore in the valleys.