Lin Jianqing, a junior student, bought an old-fashioned Polaroid, only to find that it could capture the "countdown to death" above other people's heads. When the roommate's countdown only had 72 hours left, he was forced to step into a horror game that spanned twenty years. Campus legends and urban ghost stories revived one after another, and the bloody words that appeared on the back of the camera warned him: "Find us, or become us." During the escape to break the curse, he found that all the clues pointed to an ancient existence that fed on fear - and he himself was the key prey of this hunt.
