Late one night on a country road, Tun and Jane accidentally run down a mysterious pedestrian. Fleeing the scene, they return to their lives in Bangkok, but soon discover things have changed. Nightmares haunt Jane's dreams while Tun, a photographer, begins to see odd spectral figures at work. Returning to investigate the site of the accident, they find neither rumor nor report of the victim. When one by one, Tun's closest friends begin to die, he and Jane know they must unravel this mystery before it unravels their very lives.