Idol fighting contest held on the mixed martial arts YouTube channel Named Girls in the Cage. The winner will receive a cash prize of 100 million won and debut as a girl group in Girls in the Cage. Interesting story of the 8 contestants who participated in Girls in the Cage The hard fight begins.

During a live stream in a haunted building, a streamer goes missing, sparking the curiosity of fellow streamers. They decide to take a look for themselves, believing that the missing streamer may have fabricated his video. But as they explore, broadcasting their journey live along the way, they begin to realize that there's more to the building than it seems: it was previously the site of abductions and murders of innocent people.

In the prestigious Shinha High School, there is a secret hidden between the third and fourth periods. There are 3.5 classes where time goes 10 times slower and 10 minutes becomes 100 minutes! Baek Ah-jin accidentally enters the 3.5th period and meets Kang Da-won, a male student who was trapped there. To escape Dawon from the 3.5th period, Ahjin solves the mystery hidden there. But there are people in the school who try to hide 3.5 classes...

'Soo-yeon', a popular camping YouTuber discloses the location of her campsite in real-time in a usually remote mountain area. As the atmosphere went on, Soo-yeon is attacked by an unknown group... What they didn't know, though is that all of these things were prepared by her... And that it will not end until the last person takes his last breath... "It's time to hunt".

The producer of the accusation program begins to track the cult 'Samsundo' and the historical facts behind it. The more they try to find out about 'Samsundo', the more they become engulfed in a bizarre phenomenon. Will they be able to safely arrive at 'Thousand Years' Shrine, the only shrine in Korea, and let the whole story known to the world?