Baigujing unexpectedly forms a fated bond with Xiaotianquan and surprisingly discovers that she is transformed from the wood-attribute demon bone that Xiaotianquan has been searching for. The two travel together side by side, stirring up numerous hilarious and amusing incidents, and even become disciples under Patriarch Bodhi. Along the way, they encounter various deities, unlock the secret of the demon bone, embark on all sorts of wonderful adventures together, grow together amidst playful bickering, and kick off a joyful and novel journey across the Three Realms.