An aloof female director accidentally switches bodies with a shy employee, and is forced to work for the other person, deal with relatives, and experience her menstrual period. From retaliating against each other to feeling sorry for each other, from disgust to heartbreak, she fell in love with his gentle and tough soul, and he fell in love with her vulnerability under her strength. An absurd beginning, a deep love that transcends the skin. When the souls of the bride and groom return to their places, they finally stay together for a lifetime with their true identities.