Hidden master Lu Changfeng obeys his master's order to go down the mountain and fulfill a marriage pact made twenty years ago, setting out to find his never-before-met fiancée. Little does he know that as soon as he arrives down the mountain, he runs into his fiancée Su Wanqing being besieged and intercepted by enemies. Lu Changfeng immediately steps in to rescue her from peril. This accidental rescue brings the two into a formal encounter. An old marriage pact ties together an urban romance, crises follow one after another, and the two join hands to overcome difficulties together, developing mutual affection amidst the storm.