Sae-bom's lifelong dream was to own a house. She just moved into her new apartment that she finally bought thanks to the police special subscription. Just when she thought things were finally starting to get better, the building is going under lockdown because of an unknown virus. As everyday life collapses and crisis approaches, a chasm grows between the regular homeowners on the higher floors and the public renters on the lower floors, and various desires come to the surface.