Human lives are short and unpredictable. Anything can happen, as if by the flip of a coin. It is up to those who are not bound by the influence of time to fix the mistakes that humans are bound to make. Junhong is among them, and is given special assignments in order to do just that. However, one night he decides to go against the elders and help one of the humans. He does it again and again, and with each time he fears of the consequences less and less. There's always that nagging voice in the back of his head, though. Will he get caught?