Changfu (played by Yoo Jae-myung) and Tae-in (played by Yoo Ah-in) make a living by selling vegetables, but in fact they have another job, which is to provide a killing place and dispose of corpses for the underworld organization. One day, they were coerced by Kim Shichang (played by Lim Kang-sung) in the organization to take over a kidnapped 11-year-old girl, Chu-hee (played by Moon Seung-ah). The peaceful life of the two was immediately broken, and things began to develop in a direction they could not control...