the story of the movie :
A man is found burned to death inside of a car. Detective Sang-Gil (Song Kang-Ho) and his co-workers investigate the scene. Sang-Gil doesn’t want to take the case, because it looks like a simple suicide case and won’t help him get the promotion that he desperately wants. Furthermore, rookie female detective Eun-Young (Lee Na-Young) is selected as his partner for the case.