A group of 프렌즈 find themselves at an abandoned castle, experimenting with a spiritually guided app that connects the living with the dead. This ominous, historic site of murder and torture is linked to each of them in ways they'll find out.
A group of graduate students conduct a sleep deprivation study in the 80s, but something goes terribly wrong with a test subject. After their department is shut down, the team moves 앞으로 in secret - only this time on themselves.
