A lonely chef with a speech impediment takes a job as a professional killer in order to raise the money he needs for an operation on his tongue. Known as Killar, he and his partner Ballet, make a rule to only kill rude and impolite people. After killing each one of his victims, Killar goes to the same bar where he meets Her, a woman who becomes attracted to him. His life begins to unravel after he and Ballet kill the wrong person by mistake.
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| Writing | Park Cheol-hee | Writer |
| Directing | Park Cheol-hee | Director |
| Production | Kim Young-Heon | Producer |
| Production | Hwang Woo-Hyun | Producer |
| Sound | Jeon Sang-yun | Original Music Composer |
| Editing | Steve M. Choe | Editor |
| Editing | Lee Yong-gi | Colorist |
| Camera | Oh Seung-Hwan | Director of Photography |
