Xiao Ling, Prince of Shou’an, and his princess consort Xie Yunyu travel to Qingliang Mountain to fulfill a vow after their marriage. They fall into a bandit ambush plotted by the Third Prince. Xie Yunyu falls into a pool and loses her memory of everything after her wedding. Xiao Ling chooses to court his wife all over again. Meanwhile, the Third Prince intends to coerce Xiao Ling into submission by holding Xie Yunyu hostage to seize the crown. The couple turns his scheme against him, feigning estrangement. At the Autumn Sacrifice Ceremony, they crush the rebellion. Xie Yunyu regains her memories when revisiting the place, and they plant begonia branches to stay together for years to come.
