The morning after his award party, Julien wakes up in a world he doesn't recognize. Joon is thrust into the spotlight as rapper J$$N.

Julien and Joon pen a Deutschrap track in order to film a music video near the 5G mast. Joon meets his sister from another universe.

At a university, Julien and Joon participate in a clinical trial and pitch their science project to a professor who can help them get back home.

Needing to switch back by the end of the night, Julien and Joon tie up loose ends and wield their swords in a medieval live-action role play.