The film tells the story of a teenager facing a strange path in his life, where he wakes up in the hospital morgue and tries to escape but can not. This young man faces a group of people who reveal themselves as the 'guardian' where they tell him that he has been given a second chance to live in the body of another person who died a suicide named Min. The Guardian tells the young man that he has 100 days to find out why Men are dead or there will be other strange things.