Season 1 - Episode Guide

Cha Hyun Soo moves into the run-down Green Home by himself. Not long after, he witnesses a disturbing sight in his neighbor's apartment.

As a state of emergency is declared, the residents tie up Pyun Sang Wook for being bitten. Hyun-su is unable to ignore a family in distress.

An unexpected savior protects the children from harm as Hyun-su, together with Yoon Ji Soo and Jung Jae Hun, tries to bring them to safety.

Critical information about the monsters is made public. When residents are split on what to do with Hyun Soo, Lee Eun Hyuk suggests they hold a vote.

Tasked to carry out dangerous missions, Hyun Soo heads back to retrieve Han Du Shik. Sang Wook stops at nothing to finish what he started.

An Sun Young confronts the greatest monster in her life. Leaving the building, Seo Yi Kyung heads to her fiancé's office in search of answers.

Hyun Soo saves the others from a deadly attack. Running out of necessities, Eun Hyuk announces a plan to venture outside for resources.

Having little options in her state of being, Ji Soo agrees to take a big risk. Yi Kyung returns to Green Home just in time.

When a team of outlaws take over the building, the residents are shown how humans can be even more barbaric than the monsters.

A military leaflet promises a route to safety, but the group is reluctant to trust it. Hyun Soo is exposed to a new perspective on his condition.