An anonymous caller to a radio station threatens to blow up a bridge, and could change reporter Young-hwa Yoon's life forever. Kim So-Jin, Jung-woo Ha, Kyeong-yeong Lee, Da-wit Lee, Hye-jin Jeon, Duek-mun Choi, Jin-ho Choi, Sung-chun Han, Jeon Hye-jin, Lee Da-wit, Lee Gyoung-young, Ha Jung-woo Added on Netflix 2022-02-11. Youtube Trailer