After speeding high off the ground down a zipline in the treetops of Liffey Forest, Tasmania, Brandon sets Kayne his next mission - to find a tiger snake in the wild. Kayne and Brandon both admit this mission scares them but they head off through the honeycomb tunnels of Mole Creek Caves. The boys learn about the dreaming story of the tiger snake from Hank Norton, an Indigenous consultant, and a tiger snake skin is burnt as a blessing to the Dreamtime. Next stop on their journey is a secret snake lab where they meet herpetologist Ian Norton and his team. Ian takes them to the Wesley Vale marshland outside of Launceston to tag a tiger snake, but first they accompany him on a snake emergency...