Eight friends reunite at a forest vacation house to bid farewell to Jin, but eerie events and a hidden ninth presence unveil dark secrets and deadly chaos.

The Hidden Character is Be On Cloud's First reality show featuring the company's eleven new actors. The eleven attended auditions in which they were selected based on their individual charms and natural spontaneity. The newbies will come together for activities with advice from their KinnPorsche the Series seniors. Viewers will get to see relationships develop in dramatic, spontaneous and immersive fashion. The eleven will be paired together in order to help each other through the harshest tests. Fans will vote to decide which of their favourite people and pairs will receive various roles in Be On Cloud's next series.