Cha Su-yeol, a police officer who has long despised his mother, the notorious 'Mantis' serial killer, must reluctantly turn to her for help when a copycat killer emerges.
Created by: Byun Young-jooStarring: Go Hyun-jung, Jang Dong-yoon, Cho Seong-ha, EL
Kim Bo-ra
Lee Jung-yeon
