An isolated lake, where an old monk lives in a small floating temple. The monk has a young boy living with him, learning to become a monk. We watch as seasons and years pass by.

A nine-year old monk, Do-nyum, has lived most of his lonely life in a quiet mountain monastery under his elderly master. Though put under a strict regimen of Buddhist teachings, meditation and chores, the child cannot help but to think of his mother, whom he cannot remember but misses dearly and hopes to be reunited with one day. He also wishes that he could be like the other children who live nearby and play games and attend school. Do-nyum's other companion is an older monk named Jung-sim, who is also struggling with staying on the path of enlightenment. The temple's groundskeeper keeps reassuring Do-Nyum that his mother will come back someday. But Do-nyum, sick of waiting for a mother who may never return, agrees to be adopted by the monastery's benefactor, a wealthy widow who visits the temple every year to mourn her late son.

A thief discovers a poor student who resembles a rich man's son and coerces him to join his plan to steal a large sum of money.

When the police raid the compound of a religious cult, they discover that almost all of the members have committed suicide. The only survivor, laying on an altar in the middle of the room, is a very pregnant woman who goes into labor as the raid begins. The woman dies in the hospital, but her child survives. 20 years later, strange things are starting to happen around the child, now a grown woman. A group of religious warriors from a mix of faiths join together to try and protect her from whatever supernatural horrors are seeking her out.