The Shen family suffered a framed plot and the whole household carried grievances. Medical woman Shen Qingyi took her son Xiao Nian to live in seclusion for five years, and returned to the capital for revenge with clues of a palace secret poison. Upon her return, she accidentally met Prince Chen Xiao Jinghuan, whose legs were afflicted due to being plotted against by others, and an unknown past was hidden between the two. The son can always foresee ominous dreams and help his mother investigate the case, while resisting the layers of murderous intent from the Empress and Crown Prince faction, and joining hands to overturn the old case to clear the Shen family's bloody grievance. With crises pressing step by step, can they break through the conspiracy and claim back the long-overdue justice?