When Hiccup saves the Zippleback's life, the grateful dragon abandons Ruff and Tuff and follows Hiccup and Toothless around. Ruff and Tuff try to win their dragon back – with disastrous results.

When a distress call from Trader Johann arrives at Dragon's Edge, Hiccup, Snotlout, and Fishlegs go to investigate leaving Astrid, Ruff and Tuff to keep watch on the Edge. When Ruff is captured by Dragon Hunters, it's up to Astrid and Tuff to defend the Edge from a dragon hunter army.