Air date: 2017-10-13

Runtime: 24 min

A group of terror-stricken high school classmates awakens to a chilling scenario -- they're confined in a chamber of horrors, desperate for answers.

Air date: 2017-10-13

Runtime: 24 min

As the girls desperately try to find ways to escape, they gradually key into a commonality that brings them all together in the room.

Air date: 2017-10-13

Runtime: 24 min

When the girls fear their captivity is retribution for an incident with a classmate, they point fingers as to who was at fault to save themselves.

Air date: 2017-10-13

Runtime: 24 min

The captives begin to string together clues and offer up confessions to solve the riddle as the table is cleared and set for new horrors.

Air date: 2017-10-13

Runtime: 24 min

A new concoction of riddles are offered into the mix as the remaining students decipher several seemingly unrelated incidents at school.

Air date: 2017-10-13

Runtime: 24 min

The girls finally realize that their antics at school have had profound, negative consequences -- and their victims may be seeking revenge.

Air date: 2017-10-13

Runtime: 24 min

In a heartbreaking twist, one student confesses to the actions that may have led to the very reason the seven girls remain captive in the room.

Air date: 2017-10-13

Runtime: 24 min

A horrifying truth is uncovered as the captives trace back the chain of events from last year that led to the alleged suicide of one of their friends.

Air date: 2017-10-13

Runtime: 23 min

While recalling memories of their friend Miho's father, the hostages uncover a secret relationship between two of the remaining girls in the process.

Air date: 2017-10-13

Runtime: 24 min

Suspicions lead to the possibility that the mastermind has been sitting amongst them all along, posed as a fellow captive and keeping watch.

Air date: 2017-10-13

Runtime: 24 min

With the list of culprits exhausted, the final captive comes faces to face with the individual who's been scheming revenge.

Air date: 2017-10-13

Runtime: 24 min

The encounter between the last captive and the captor escalates dangerously when they see a glimmer of hope that may change their fate.