Overview: Hyun Woo’s threat continues. An explosive ordnance disposal team is sent to defuse the bomb on Jun Hee’s body. Jun Hee’s colleague is attacked by Hyun Woo in the building elevator. The police try to find where Joon Young is trapped. Meanwhile, Hyun Woo tells Tae Pyung to choose to save either Joon Young or the people in the building. Tae Pyung makes a choice without hesitation.