A married South Korean man with 4 kids gets fired for being honest. Same day the family's house etc. is frozen due to having guaranteed his brother's defaulted loan. The family changes during the month given to pay the debt.

11-year-old Dong-ku, who is retarded, is the school's water boy until, that is, the school installed a water purifier system. Disappointed, Dong-ku soon learns the school's baseball team needs a water boy and so he decides to join the team.

Dangerous people who make risky choices to escape from their hellish realities.