Qin Long, disguised as a beggar but secretly the Beggar King, embarks on a quest to repay a kindness by marrying Han Fei, the sister of the girl who once saved him from starvation. As Han Fei's bodyguard, Qin Long discovers a web of deceit and danger woven by Han Yao, the girl he truly seeks, who leads a deadly conspiracy against Han Fei's family. Caught between love, duty, and betrayal, Qin Long must navigate treacherous waters to protect his newfound family and uncover the truth behind the conspiracy.