Missing: The Other Side

Se-young's Whereabouts (2x5)

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The Goliath is about to make a huge drug deal. Just before the exchange is made, Gwang-taek finds out that Sang-chul is an informant for the police and kills him. He also finds out that Se-young is still alive and tries to find her to cut loose ends. As Sang-chul wakes up at Industrial Complex Three, Wook investigates him to find Se-young before she gets killed.