Mammoth hair

At the invitation of Mariana's uncle, the intrepid gang flies to Canada's Yukon, where they are all looking forward to trying their hand at panning for gold. However, while searching for a suitable spot in the creek valley, they make a completely different find. In the thawing permafrost, the group discovers something totally unexpected. Their initial excitement is soon replaced by grave concern. Mariana, Jonah, Hardy, Alpha, Beta, Tim and their Canadian friends find themselves in mortal danger like never before!