Into the White Night (2009)

A man is murdered shortly after his release from prison. Detective. Dong-su Han investigates the case, which leads him back to a homicide case that occured 14 years ago. An unsolved case that eats the soul of Det. Han to this day. Meanwhile, Mi-Ho (Son Ye-Jin) is set to marry the chief executive of a large conglomeration. An assistant (Lee Min-Jung) to the executive chief is asked to do a background check on Mi-Ho. She discovers that Mi-Ho's mother was the primary suspect in an unsolved murder case 14 years ago. The assistant also notices another man, Yo-Han (Ko Soo), who always seems to linger by Mi-Ho's side. Det. Han Dong-Su becomes convinced that the victim's son from 14 year old murder case, Yo-Han, is somehow involved in the recent murder. Det. Han then discovers a hidden relationship between Yo-Han and Mi-Ho. As more crimes occur, Det. Han Dong-Su works frantically to uncover the truth …

* Alternate Titles : Baekyahaeng, White Night
* Director: Shin-woo Park
* Main Cast: Suk-kyu Han, Ye-jin Son, Soo Go