Heung Wing has been sensitive to paranormal activity and keeps seeing ghosts since he was a kid, which is called having “Yin Yang” eyes. To avoid being bothered by the ghosts, he pretends to be ignorant even though he knew their existence. When he gets older, he escapes from Hong Kong to Canada because of his miserable childhood.

One day, Heung Wing has been told that his mother is in coma by committing suicide, which forces him to return back to Hong Kong. When he goes back to the old home, everything looks strange and unfamiliar to him. What's more horrifying is, a series of suicide cases happen in his neighbourhood, and ghosts start to appear in front of him again. The situation is deteriorating beyond his imagination...