"7th Level Civil Servant") is a 2009 South Korean romantic action comedy film directed by Shin Tae-ra and starring Kim Ha-neul and Kang Ji-hwan.
[3] A Russian organized crime group takes possession of an advanced bio-chemical weapon from Korea with the help of a corrupt Korean scientist, and two special agents are the world's only hope to stop them.
One is a veteran domestic secret agent named Ahn Soo-ji, who is a master martial artist and fencer.
The agents get into trouble when they consistently goof up on the job and have an ill-fated relationship, when coincidentally they are dating and don't know each other's secret identities.
It was remade as a television series 7th Grade Civil Servant, starring Choi Kang-hee and Joo Won, which aired on the South Korean network Munhwa Broadcasting Corporation (MBC) in 2013.