Tom is driving his model products to his client. Unfortunately, a car accident causes his car to fall from a bridge and sink into the water. Underwater, before Tom falls into the unconsciousness, he sees a dim figure of a monk by the river and hears some strange words. Tom's back to the consciousness again at a hospital by the help from a stranger girl Pim. Meanwhile, it's Pim who suddenly gets into a coma without a reason. Then, Tom is haunted by his illusions telling the story of his past life. He realizes it's not just a coincident that Pim rescues him from the car accident, but it's the karma that both have done together in their past life. Tom must help Pim to amend her fate that entails to him.