Pontifex Rembrary is the most powerful leader of Otherworld, where people are religious of Redlin. On the day when he has a baptism ceremony, Rembrary loses his mind because of Demon Lord's invasion. It's South Korea in 2022 now. Everyone calls him Woo Yeon-woo from a boy band, Wild Animal. He makes an irrevocably terrible mistake on the stage.

Dal feels sorry for Yeon-woo who claims himself to be Rembrary. She makes a big decision for him. Rembrary unwillingly starts living as an idol but his awkward words keep causing a scene. Rembrary finally figures out the way to go back to Otherworld.

Rembrary decides to live as Woo Yeon-woo. On a singing contest show, he finishes his song successfully but confronts an unexpected crisis. Rembrary has an ominous feeling on the second stage.

Rembrary manages to get through the crisis on the stage and notices Demon Lord is related to this incident. Rembrary traces Hongwoo Brigade, a secret religion that Woo Yeon-woo tried to find. Meanwhile, the follower of Demon Lord finally shows himself up to Rembrary and Dal.

Rembrary gets popular thanks to the audience who saw his stage. At the same time, however, a conspiracy theory spreads around about him. Dal tries hard to cover his real identity. Rembrary decides to shoot a drama where Woo-shin plays the main character role. But Rembrary is trapped in Jo-woon's scheme.

Dal tries to take Rembrary out of the trap Jo-woon has built. Someone is also aiming for Rembrary. Meanwhile, Rembrary finds out about Woo Yeon-woo through the letters he exchanged with his fans. Wild Animal prepares for a comeback and Dal witnesses something unbelievable.

A suspicious boy band of five members is just debuted. Rembrary tries to keep his distance from Dal. Learning the truth about Woo Yeon-woo, Dal is in despair. Meanwhile, Rembrary and Oh Jeong-shin regather. Their heavenly contract puts Rembrary in trouble.

Rembrary gets to hear unbelievable news about Hongwoodaedae in the Underworld. Rembrary goes on a dating show after being offered to capture goblins to meet up with Redlin. Meanwhile, Dal is in confusion because of the black magic.

Rembrary is emotionally shaken after Dal's confession but tries to maintain composure. The photo of Rembrary and Dal together becomes a big issue, and Dal makes a big decision to protect him. Shin Jo-woon begins his scheme to bring Rembrary down. Missing Dal, Rembrary finds himself trapped in a big crisis.

In one night, Rembrary becomes a criminal. The public pour out their criticism and condemnation, leaving Rembrary frustrated. Dal visits Hong Lin to resolve the situation. Meanwhile, a strange rumor starts spreading among the families of the victims, putting Rembrary in another crisis. Sa Gam-jae forces Rembrary to make a cruel choice.

Wild Animal prepares for a joint performance with Evil Boys at the awards ceremony. Rembrary discovers an unexpected fact while trying to prevent Evil Boys from winning an award. Jung-seo receives an offer from Hongwoodaedae that he cannot refuse. Meanwhile, Shin Jo-woon heads to the ceremony after regaining his power.

After returning to the present, Rembrary learns of a way to stop Redlin from the Queen of the Underworld. However, he realizes that he must also make a huge sacrifice in order to do so. Shin Jo-woon discovers the truth about Redlin and is deeply affected. Rembrary, Dal, and Sa Gam-jae head to Hongwoodaedae, each making a significant decision to stop Redlin.