In the backdrop of Han Imperial China, the story unfolds around Ping, a young enslaved girl, and her journey with an ancient dragon named Long Danzi. Dragons have been exiled from the realm, and Ping, an orphan, stumbles upon one of the few surviving dragon eggs. Pursued by palace guards, Ping is compelled to flee to return the dragon egg to the sea, aiming to prevent the dragons from dying out. Along the way, Ping realizes her destiny as a genuine Dragonkeeper.