In the female-dominated city of Yueling, a group of killers hid in an inn waiting for a chance to take revenge. Unexpectedly, the inn was bought by a merchant lady, Lu Huaishuang. The killers who were good at kinds of weapons were forced to practice playing and singing, and the leader of them, Yue Qishan, even became the head of the inn under Lu Huaishuang's guidance, and also completely fell in love with her.
After a drunken night, love game planner Han Tingting wakes up with no memory of who kissed her—only a dream of a mysterious man in a white shirt. As she investigates four possible suspects, her search for answers turns into a journey to discover true love.