A drama about young adults and the importance of text messaging on their love lives. In the drama, Han Seung Ho is a Korean foreign student who moves in with, Miu, his friend. Han Seung Ho wants to send a message to his first love in Japanese, but because his Japanese is weak, he enlists the help of Miu to write the texts. Through this relationship, the two end up in love.
Japan and Korea's biggest names star in this big-scale drama. Nishijima Sho is a Japanese detective whose father was murdered in Korea when he was still a boy. In hopes of discovering the truth behind his father's death, Sho is working undercover in a huge secret organization. Choi Yuna is a Korean woman who visits Japan in search of her missing father. She opens a Korean restaurant with her younger sister, but soon faces the mercy of fate. The couple meets in a corner of Tokyo and falls in love. But what waits ahead of them. A "rondo" of fate, love, and history is about to begin.
