In Wall to Wall, Yeom Hye-ran plays Jeon Eun-hwa, the apartment complex's strong and mysterious resident representative.

Certain moments in Wall to Wall occur in cramped corridors and dark rooms. The walls are squeezing, and people like Woo-sung ...

The final scene of Wall to Wall sees Woo-sung head back to his apartment, only to hear banging noises coming from below, ...