Jung Tae Eul / Luna

A police officer ranked Inspector (equivalent to Lieutenant in the Korean Armed Forces) in the Violent Crimes Squad Three of the National Police Agency of the Republic of Korea. She has a strong will and a concrete personality. As a child, she was interested in crime TV shows which led her to become a detective.

Luna: Jung Tae Eul's counterpart who is a criminal in the Kingdom of Corea. Shortly after her birth, she was abandoned in a slum in Busan. With no parents and no identification, no official records document her existence. As she grew older, her arrest record expanded to include burglary, breaking and entering, assault and forgery. Her imprisonment led to her being legally documented as Luna, a name she gave herself after a stray cat that had survived in the slum. Moreover, she suffers from terminal cancer resulting in organ failure and has only few months left to live.

(Source: Wikipedia)