While investigating a terroristic threat that goes viral online, Korean authorities discover that a suspect has recently boarded an international flight bound for the United States. When a healthy passenger on the same flight suddenly dies a gruesome death of … Song Kang-ho, Lee Byung-hun, Jeon Do-yeon, Kim Nam-gil, Yim Si-wan, Kim So-jin, Park Hae-jun Added on Netflix 2023-04-01. Youtube Trailer