Manhole (2014)

Both movies involve a manipulative serial killer. Psychopath. Many got killed. The police incapable. Mystery thriller.

Both movie has a claver psychopath. Serial killer. Manipulative scary man. The incapable detective. Many victims.

Both are trying to save the life of a young girl.. Also, Kim Sae Ron is the role of the young girl.

Both movie has people hiding in the basement hole. Thriller mystery psycho film. Both movies will keep your eyes stairs on the screen the whole time.

While they're both thrillers and both Main actors has disability.

Both movies involve kidnapping innocent people. The psycho or gangs are brutal and inhuman. Very intense. Unbelievable this kind of things can happen

Both about an older sister trying to protect/save their younger sister from a kidnapping.

Description of Manhole:
A serial killer has been terrorizing a neighborhood in Seoul, and in the span of 6 months, 10 people have disappeared without a trace. He uses a manhole to trap his victims. His latest abductee is Soo Jung, a 14-year-old girl, and her older sister Yeon Seo is desperate to find her before time runs out.