Im Nayeon is a literature student who has been living in Kyoto since her childhood. On a stormy night, she sought for shelter in an ancient Japanese shrine, unaware that it would transport her back 500 years in the past. She meets Myoui Mina, a stoic samurai, and together they have to find out how to send Nayeon back to her own time.

Im Nayeon was the center of TWICE, otherwise known as the nation's girl group due how adored they were. Myoui Mina was one of the most popular actresses at the time, after her drama hit internacional fame. Both of them were at the top of their careers, but could meeting each other mean their downfall?

In which popular university student Minatozaki Sana finds her heart torn between the good girl and the bad boy.