Zheng Su woke up and became Park Hee, a Korean girl. After she just got used to using Korean, she was brought to the United States by her parents and became best friends with Ju Jae Hee. After Ju Jae Hee resolutely made the decision to return to South Korea, while mourning that her leisurely life was gone forever, she cut off her long hair, packed her luggage and returned to South Korea with her best friend. From here, the plot begins...