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.

Cast:Ko Hyun-jung, Jang Dong-yoon, Cho Seong-ha, Lee El, Kim Bo-ra,

Genre:Crime, Mystery, Drama,

country:South Korea,

Production:Merry Christmas, Mega Monster, Studio S,