[Title not yet decided: see introduction]

Jeon Jungkook, a kidnapper who kidnaps and imprisons only women, and eventually kills dozens of women, but has evaded the police investigation and has not been caught yet. One day, he kidnaps Lee Yeo-joo, a female police officer who was trying to arrest Jeon Jungkook as his next target, and the two fall in love because of it, but it is a slightly sad love...