|Hyun Woo as Agent Na Joon Min|
Ha Na wasn't a very good cop nor was she good with piano, or singing or, apparently, at proposing and her mother wasn't very good at saving money either. Both of these factors conspired to bring her and Go Jin Hyuk together. After a suspension for interfering with another investigation, She joins the NIA on temp to help nab a drug ring leader. After this, they hire her again to go undercover as a secretary in efforts to gather connecting evidence. But she is also set up by the NIA to be a sacrificial lamb if things didn't pan out.
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