She, Fang Mumin, accidentally traveled to an unknown dynasty,
Transformed into the prime minister's daughter, Ouyang Mumin,
According to the decree, she will marry the third prince Situ Yan, the youngest son of the current emperor, six days later.
She is naughty and cheerful yet arrogant. Her inner intelligence and outer beauty impress everyone.
What will happen when Fang Mumin, who transforms into Ouyang Mumin, faces the moody, cold-blooded third prince?