Mountain expert Chen Lingyun is forced down the mountain to become the personal bodyguard of arrogant heiress Wang Xiaoyan. From mutual disdain as enemies to partners tackling conspiracies and assassinations together, the two develop hidden feelings amidst crises. Facing emotional tests like his senior sister forcing a marriage and a best friend's pursuit, as well as malicious competition from business rivals, Chen Lingyun relies on peerless martial arts and metaphysical arts to repeatedly break through predicaments, ultimately not only protecting his lover but also teaming up to carve out a world in the city.