The Zhou Dynasty was troubled internally and externally, and the power in the palace was undercurrent. Su Anran was originally a young palace maid. In order to avenge her family and grow herself, she fought for power in the Sixth Palace step by step. She outsmarted Queen Qin Ruyi, chief adviser Liu Yuling and other opponents, and got acquainted with the down-and-out prince Xiao Yuanjin, eunuch Cheng Xuran and childhood playmate Zhao Xiaofu. In the whirlpool of power, Su Anran relied on humor and resourcefulness to uncover palace mysteries one after another, eventually seizing the leading role and witnessing the changes in the court. Under the sword and shadow of the palace struggle, the fate of everyone is intertwined, scheming against each other and redeeming each other, with laughter and tears. The story is compact, ups and downs, humorous, and finally ends successfully at the end of the story.