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.

The masters of the Six Major Sects are trapped in Wan On Temple, each of whom was hit with the Ten Scents Poisonous Powder, and have lost all their martial powers.

A pitiless demon becomes powerless after getting entangled with an icy heiress, who may hold the key to his lost abilities -- and his heart.

A group of neuropsychology graduate students work to unlock the potential of the brain. One student, Adam, takes his lab work too far. When his self-induced experiment goes wrong, he unwittingly unlocks repressed memories and begins to be haunted by disturbing visions. As Adam digs deeper, he finds that there is someone who doesn't want him to uncover the sinister truth. Adam and his friends must work together to help him confront his recollections and figure out what is truth and what are lies before it's too late.