On February 15, it was reported that D.O. decided to join an upcoming movie 'Secret'.
![D.O.](https://img.sbs.co.kr/newimg/news/20210216/201521015_700.jpg)
It is about a musical prodigy falling in love with a pretty pianist and the haunting melody she plays.
But soon, a secret threatens to derail their romance.
Not only did the movie was incredibly successful in Taiwan, but also in Korea.
![D.O.](https://img.sbs.co.kr/newimg/news/20210216/201521012_700.jpg)
The production team revealed that the female lead is still in the process of being cast.
'Secret' is scheduled to kick off shooting in the second half of the year.
![D.O.](https://img.sbs.co.kr/newimg/news/20210216/201521013_700.jpg)
(SBS Star)