Childhood friends Cheng Yi and Zi Ming drift apart as growing feelings and confusion change what once felt simple.

A strange image of a human figure appeared on the wall of cinema number 404. The discovery of a female corpse in the wall marked the beginning of not only a new investigation, but also a series of horrible paranormal events.

After a double-cornea transplant He Yiyi finally recovers her sight; six months later, however, her eyes are still giving her pain. Her ophthalmologist, says that is normal and maybe due to a part-rejection of the new corneas. He gives her some special dark glasses to help her recover; but she also starts having nightmares and visions, as well as losing her hair...

Train policeman He continues his investigation of the murder which happened on the train, he looks closer into the past of the passengers and reveals new secrets .

A Landslide forces a train to stop on a bridge. Druring the stop a murder takes place. The train policeman He has to investigate the case. Only a few passengers are on board, is one of them the murderer or was a mysterious entity the killer?

Train policeman He hopes that a autopsy of the body can help to find the real culprit and the true cause of his Death. Can the rising morning sun bring also light in the darkness of the case?