Episode 5 (S01E05)

Following the crash of the supply helicopter, First Sergeant Jung Tae-hwa comes to the grim conclusion that staying at their post is not an option. He devises a plan to lead his platoon in a desperate bid to escape the zombie-infested A Tower. Meanwhile, Young-joo and her team arrive at the gates of A Tower, only to be confronted by a throng of zombies, heightening the tension and urgency of their situation.