The Undisclosed (Chinese: 迷云二十天) is an action-thriller suspense drama produced by Mediacorp TV Channel 8. The drama made its debut on 3 April 2006 in Singapore, and ended its run on 28 April 2006.
This is the first drama Li Nanxing acted in after his divorce with Yang Libing.
This show was ranked at 9th position for Year 2006 in terms of viewership ratings, while Li Nanxing won the Best Actor award in the Star Awards 2006 for his role in this drama.
This series was re-broadcast from 16 June 2008 at every weekday night, 11pm on MediaCorp TV Channel 8.