Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko and Totemie stay by the side of the lake for some time. One morning, a terrible sound shakes the village and as they wonder where it is coming from they see a wave of mud streaming down the mountain and threatening to swallow up the village. Moko approaches the wave of mud and pleads with it to keep the village safe. He remembers that Mei Lei knew how to speak to mountains and takes out the stone she gave him and is about to offer it to the mud as Mei Lei had offered hers to the volcano but Totemie stops him and offers her necklace instead. The village is saved and the mudslide flows into the lake. Moko promises himself to one day give Totemie what is dearest to him.