Three years ago, Xiao Yan was a prodigy of Dou Qi cultivation; now his power is gone and his own clan treats him as a failure. When his fiancée Nalan Yanran comes to formally end their engagement, Xiao Yan challenges her to a rematch in three years and starts training in secret to make good on it. This donghua adapts the opening arc of the original Doupo Cangqiong web novel.