Tube is a 2003
South Korean action thriller film directed by
Beak Woon-hak (or Baek Woon-hak). The film features police officer Jay (
Kim Suk-hoon) who is a subway police officer who spends his days reminiscing over his lost lover. The
pickpocket Kay (
Bae Doona) becomes infatuated with Jay and tips him off about the government assassin Bishop (
Park Sang-min) hijacking a subway car. Both Jay and Kay find themselves in the target car when the Bishop makes his move.