The Rainbow Bridge connecting the Roco Kingdom and Sky City is on the verge of collapse, posing a grave crisis that threatens the end of days. 　　 The Dragon Knight bears the heavy responsibility of protecting the kingdom and must gather the "Sacred Light Stones" from both the heavens and the earth within 72 hours to summon the Winged Spirit King and save the kingdom. 　　 However, betrayal, false accusations, and calamities follow one after another, plunging the Dragon Knight into overwhelming crises and pushing him to the brink of despair. 　　 Across the vast expanse of heaven and earth, where are the Sacred Light Stones? 　　 Amidst the boundless sea of people, who is the Winged Spirit King? 　　 The Roco Kingdom hangs by a thread!