Queen Mantis S1, E4

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.

Director: Byun Young-joo

Cast:Ko Hyun-jung , Jang Dong-yoon , Cho Seong-ha , Lee El , Kim Bo-ra , Lee Hwang-eui , Kim Min-ho , Kim Tae-jeong , Park Wan-Hyeong