Chu Yumo was abandoned when she was young because she hiccupped and sprayed colorful butterflies. Fortunately, she was adopted by Lin Heng and made an appointment as a child bride. She had been asking for marriage for nine years, but she didn't know that Lin Heng was clinging to the imperial master and lied about the bad fortune in the hexagram, but in fact he wanted to take her as a concubine after Gao married him. After learning the truth, Yu Mo was heartbroken. According to Lin Heng's casual suggestion, he found Xiao Yichen, the deposed prince who was exiled in the north. She accompanied him and took care of him all the way, and unexpectedly detoxified him from a strange poison. During the flirtation, love gradually grew, and they stayed together in the north to survive the disaster. Lin Heng repented and wanted to take her back to Beijing, but Xiao Yichen domineeringly protected his wife and worked hard to clear his grievances. In the end, Yu Mo became the princess and stayed with Xiao Yichen for the rest of his life, but Lin Heng, who had exhausted all his plans, ended up in vain.