▁Jung - wo o ) ▁was ▁once ▁a ▁top ▁news ▁anchor , ▁but ▁gets ▁dem oted ▁due ▁to ▁an ▁uns av ory ▁incident . ▁Pul led ▁from ▁prim etime ▁TV ▁news ▁and ▁recently ▁divor ced , ▁he ▁is ▁now ▁the ▁j aded ▁and ▁bitter ▁host ▁of ▁a ▁current ▁affairs ▁radio ▁program . ▁One ▁day ▁during ▁his ▁morning ▁show , ▁Y oon ▁receives ▁a ▁peculiar ▁phone ▁call ▁threaten ing ▁to ▁blow ▁up ▁the ▁Map o ▁Bridge , ▁a ▁major ▁bridge ▁that ▁cross es ▁the ▁Han ▁River ▁and ▁connect s ▁Map o ▁District ▁and ▁Ye ou ido , ▁Se oul ' s ▁main ▁business ▁and ▁invest ment ▁bank ing ▁district ; ▁it ▁is ▁also ▁just ▁outside ▁Y oon ' s ▁studio ▁building . ▁At ▁first , ▁Y oon ▁takes ▁it ▁as ▁a ▁jo ke ▁or ▁pr ank ▁call ▁and ▁tells ▁the ▁terror ist ▁to ▁proceed . ▁He ▁watch es ▁in ▁shock ▁as ▁the ▁caller ▁follows ▁through ▁on ▁the ▁threat ▁and ▁det on ates ▁explos ives ▁that ▁cause ▁Map o ▁Bridge ▁to ▁collapse , ▁killing ▁innoc ent ▁people ▁and ▁tra pping ▁others . ▁ ▁Real izing ▁this ▁could ▁be ▁a ▁once - in - a - l if etime ▁opportunity ▁to ▁make ▁his ▁com eb ack ▁as ▁a ▁new sc aster , ▁Y oon ▁pur pos ely ▁doesn ' t ▁call ▁the ▁police . ▁Instead , ▁he ▁sets ▁up ▁a ▁makes h ift ▁television ▁studio ▁from ▁his ▁radio ▁station , ▁and ▁negoti ates ▁with ▁his ▁former ▁b oss , ▁the ▁profit - ▁and ▁ratings - obs