Synopsis: In EXPLOSIVE CALL, bank manager Sung-gyu (JO Woo Jin) is on his way to work with his 2 children when he receives a call from a restricted number. The person on the line claims that Sung-gyu is sitting on a bomb and warns that if he leaves his seat, the bomb will explode. Initially, Sung-gyu ignores the threat, but when he sees another person dying in a car bomb right in front of his eyes, he realizes the situation is real. As if that weren’t enough, the police begin to consider him the main suspect in the act of terrorism. Desperate, Sung-gyu is at a crossroads.