All of Us Are Dead | Episode 4
Genre: Action & Adventure Drama Sci-Fi & Fantasy
Director: Chun Sung-il, JQ Lee
Cast: Cho Yi-hyun, Jeon Bae-soo, Kim Byung-chul, Lee Kyoo-hyung, Lee You-mi, Lomon, Park Ji-hu, Yoo In-soo, Yoon Chan-young
Description: : In need of a cellphone, two students take a risky journey to the teachers' office. Byeong-chan passes on critical information to Detective Song Jae-ik.