Little spirit dragon Yue Wenwen accidentally falls from the clouds. To discover the origins of her bloodline, she embarks on a lively journey through the Three Realms. The cold-faced sword cultivator Xuan Chenying unexpectedly gains a special traveling companion, and his once aloof life is never the same again. Along the way, Yue Wenwen resolves conflicts, bravely explores secret realms, and makes friends from all walks of life. Step by step, she uncovers ancient secrets hidden within the fabric of time and space, as well as the destiny that awaits her. Together, they make a pact to journey to the Heavenly Realm and reveal the long-buried truths of the past.