

A string of brutal murders targeting pregnant women mirrors the crimes of convicted serial killer Shin Hyun, who remains behind bars. Detectives Kim Mi Yun and Kang Tae Hyun take on the case, suspecting that Shin Hyun may be manipulating the copycat killings from prison.
Acting
Cho Seung-woo's chilling stillness steals every scene he's in.
Direction
Lee Jong-hyeok weaponizes claustrophobic spaces.
Writing
Twisty script keeps you guessing who's really in control.
Director
Lee Jong-hyeok
Trivia, insights & behind the scenes
The title 'H' refers to both the killer's name and the Korean word for 'hell' (지옥), a bilingual puzzle the marketing leaned into hard.
Released during Korea's early 2000s thriller boom, it competed in a crowded field with Memories of Murder—explaining its relative obscurity despite solid craft.