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