NIO: National Investigation Office

NIO: National Investigation Office (Chinese: NIO:国家调查办公室) is a Singaporean-Chinese-Taiwanese-Japanese police procedural series produced by NBS and Hunan Television. It was aired from August 31, 2011 to August 31, 2012 on NBS 1, Hunan TV and GTV One. The drama stars: Tay Li Qian, Irene Choi, Aaron Song, Huali Ng, Qi Yang and Song Seo-byun. It was leadly directed by Yang Kai Yee (who is also the creator of series).

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Plot
NIO is a special agency created by Singapore's Justice Ministry and Singaporean Police with co-operation of INTERPOL. Every day, the members of unit are busy with their various cases caused by Teo Yun. The main character - Lee Sun Yee joined the group to get revenge on gangsters, because they murdered his parents. In adiction, they blamed the fault on him. NIO's force as police is tested when they lose their member - Kate Song, who was killed by gangsters. Sometimes, the other PD are helping the NIO to get mafia.

On the final episode, Sun Yee and Seong-min, Xian Ling and Kia, Chee Yung and Yang Sun are married. The gangsters try to ruin their wedding. Luckily, all mafia members are arrested by agents.

Production
Filming of the series began on December 20, 2009 and ended on July 18, 2011. Shooting was taken in Singapore, Hong Kong, Japan and New York.

Reception
The series was well received by viewers and critics. It was sometimes compared to such series as "The Organization", or" Iris and movies like The Bourne Supremacy. The good rating was influenced by: employment of famous and charismatic actors, professional special effects and a very good approach of directors to production. Therefore, the series has been rebooted in the series entitled "NIO: Re-BOOT"

Others

 * Cha In-woo, Park Seo-young, Ok Tae-bin and Lee Chae-byun as tourists (Episodes 5, 7, 16)
 * Sun Hua as Huang Tayu - girlfriend of Hun Bin (Episode 11-93)
 * Eva Kun as Eelyn Wan - friend of Kate Song (Episode 34-92)
 * FLY4 as themselfs (Episode 93)
 * Park Seo-byul as herself (Episode 93)