During the period of the Republic of China, amidst the fragmentation caused by the warlords, Ye Ping Jun, a student, takes a job at a meeting house in western Hunan to raise money for her mother's medical treatment. On her first day of work, she finds herself involved in an attempted assassination against the fifth son of the Yu family. Wrongfully accused, she makes a bet with Yu Chang Xuan: she has ten days to find the true culprit. Yu Chang Xuan sees this as an opportunity to get closer to Ye Ping Jun and begins courting her, although he hides his true intentions.
