Queen Mantis

• 
  E1

  Episode 1

  When a series of terrible murders ensues in a residential area, Cha Su-yeol is forced to seek help from Jeong I-sin, a serial killer from the past.

  2025-09-05 · 60m
• 
  E2

  Episode 2

  The culprit has been arrested, but the victim’s whereabouts remain unknown. Su-yeol struggles to save a life as I-sin reveals her true intentions.

  2025-09-06 · 61m
• 
  E3

  Episode 3

  I-shin offers assistance with the investigation, but it's unclear why she would help a cop. Su-yeol unravels the origins of I-shin's murderous instinct.

  2025-09-12 · 61m
• 
  E4

  Episode 4

  The culprit begins to close in on Su-yeol's family. I-shin pressures Su-yeol to take action — but she happens to be the one threatening his family.

  2025-09-13 · 60m
• 
  E5

  Episode 5

  Su-yeol finds I-shin in his home after she vanishes under police watch. The killer demands to speak to I-shin and gives her a hint about the plan.

  2025-09-19 · 60m
• 
  E6

  Episode 6

  Shaken by recent events, Su-yeol attempts to confide in Lee Jung-yeon. During a tense call, I-shin manipulates the killer into exposing a crucial lead.

  2025-09-20 · 60m
• 
  E7

  Episode 7

  As Jung-yeon copes with the truth of Su-yeol's past, the killer reveals their identity — and takes a hostage, forcing Su-yeol into a dangerous bargain.

  2025-09-26 · 60m
• 
  E8

  Episode 8

  After a tense hostage exchange, I-shin confronts her protégé. Su-yeol makes a grim discovery about his family's fractured past.

  2025-09-27 · 60m

Top cast

Ko Hyun-jung

Jeong Yi-shin

Jang Dong-yoon

Cha Su-yeol

Cho Seong-ha

Joong-ho

Lee El

Na-hee

Kim Bo-ra

Lee Jung-yeon

Lee Hwang-eui

Jung Hyeon Nam [I Sin's father]

Kim Min-ho

Bae Seong Gyu [Detective]

Kim Tae-jeong

Choi Hyeok [Detective]

Park Wan-Hyeong

Son Ji An [Detective]

Han Dong-hee

Seo A Ra [Jung Yeon's friend]

Lee Tae-gu

Seo Gu Wan

Lee Yoon-geon

Hong Seung Pyo [Police commissioner general]