Days after her friends disappear during a trip to a mysterious cave, a girl is approached by a grown man claiming to be one of her missing pals.

After a prosecution lawyer is framed and convicted for murder, he tries to catch the real murderer from jail with the help of a con artist.

The day before Do-kyeong’s wedding, his ex-girlfriend, Ga-in, visits him. They enter a motel owned by Byeong-soo and obsession leads two to a disaster followed by a death parade.