Hari moves in to Shinbi Apartment with her family. She goes into the elevator with her family, but something was wrong with the elevator. Doori believed that it was a ghost but Hari didn’t believe him. After moving into their apartment unit (unit 444), Hari and Doori went outside. Since Doori was scared of the elevator, Doori said he wanted to go to the stairs. Hari and Doori went to the stairs where they met Shinbi. Shinbi didn’t allow the Koo siblings to pass by the stairs unless they do a bet