: Through interactions with other survivors—specifically the tough, selfless Sang-hwa —Seok-woo begins to value collective survival. He eventually leads dangerous charges through zombie-infested cars to rescue others. Reddit +6 Themes and Symbolism 11 sites Seok-woo | Train to Busan Wiki | Fandom Seok-woo is bitten by an infected Yong-suk and reanimates as a zombie. Later, he, presumably commits suicide after reanimation. .. Train to Busan Wiki