Jeon Jun-oh, formerly a bank employee, gets a call on his first day at work from a woman seeking advice. She asks if insurance is paid out on suicides, and only after hanging up does he see the warning on the insurance agreement. A few days later Jun-oh receives a request for a meeting with an unknown policy holder.

From the living room of a decrepit house Jun-oh opens the door to the bedroom to see a child hanging from the ceiling. Police start an investigation, but the autopsy and all the evidence points to suicide. But Jun-oh can’t shake his suspicions that the incident was actually a murder.

Believing that insurance, which should protect lives, cannot be seen to promote murder, he withholds payment. There is evidence of other serial murders, and a secret lying inside company records in storage.

Where is the truth? And what is the true nature of the Black House?

Cast
Hwang Jeong-min - Jeon Jun-oh
Yu Seon - Shin Yi-hwa
Gang Shin-il - Park Chung-bae
Kim Seo-hyeong - Mi-na

Based on Yûsuke Kishi's novel, Kuroi Ie (The Black House).