Suijun starts with the principle of rewarding diligence.

Bu Qu transmigrates into the body of a fisherman in Heishui County, a place of treacherous times and fierce struggle for survival. Regardless of his past or present life, his belief remains unwavering: diligence will surely be rewarded! The small Heishui Lake cannot confine him; when the winds of change rise, he will transform into a divine dragon!