Qin Xiao, the world’s strongest warrior who retired three years ago, disguises himself as a beggar and is unexpectedly hired by Ji Yanran as her bodyguard. Protecting the Divine Firmament under this cover, he gradually reveals his true identity amid power struggles, rooting out internal traitors and external foes. In the end, he backs Ji Yanran to become Palace Master and wins her love, completing his full-circle comeback from beggar back to the world’s top powerhouse.