Three troublesome noble-born friends with no interest in their Confucian studies are thrilled when girls are accepted to study with boys at school. One day, two of the boys get abducted and laid by a mysterious woman at a secluded windmill. Though initially elated by this turn of events, the boys are shamed when the woman leaves them to be found tied up in ropes the next day. Unable to tolerate their shameful experience, the three begin to investigate the identity of the mysterious abductress.