When The Killer Falls In Love summary: Breaking News: Professional killer Joo Tae Man fell in love with Korea's favorite actor, Kang Da Hyuk! Professional killer Joo Tae-man has endured extreme physical training, mental education, and cruel torture-- but somehow easily falls apart to Kang Da-hyuk's kindness...? Joo Tae Man who has trained for NN years as a professional killer thought “is this love?”, What should I do at times like this?”