Xiao Yang returns to Jiangcheng after retreating from the frigid wastelands. He intends to call off his childhood‑arranged engagement, only to find his fiancée Qin Ruoxue has grown into a cold, glamorous CEO. Hiding his true identity, he stays by her side as her driver. He stops a car bare‑handed to save her best friend, crushes underworld boss Third Master Huang, defeats the young master of the Huo Clan who forces marriage, and exposes the schemes of her cousin. As his identity as the Young Lord of the Temple of Divine Medicine gradually comes to light, international assassins, martial arts grandmasters and enemies of the Xiao Clan from the capital come one after another. Xiao Yang defeats them all. From initial disdain, Qin Ruoxue falls deeply in love with him. When the whole truth unfolds, the Hidden Dragon makes his grand return, vowing to protect her for the rest of her life.
