Amid the turbulent currents of the royal court, Ye Shiyu, a daughter born to a concubine, is drawn into a struggle for power and glory. With courage by her side, she faces the schemes of her stepmother and the jealousy of her half-sister, carefully planning each move and responding with skill. Mu Yunzhou's identity is shrouded in mystery, yet he reaches out to help Shiyu. As the two are swept into a whirlpool of political intrigue and romance, how will they join hands to overcome their trials and forge a legend?