After a massive earthquake, only one apartment building is left standing in Seoul, South Korea. Outsiders flock to Hwang Gung Apartments, but residents can’t cope with the increasing numbers.

A man receives a wedding invitation from his first love who he met in high school.

Ra-hee is ready for the real world. She has graduated from a respectable college and begins to apply for full-time jobs but is rejected by every company that she applies…

A sickly girl Ju-ran transfers to a new sanitorium boarding school to regain health. But she discovers that students are disappearing and notices abnormal changes happening to her body. She…