Sin of a Family (Korean: 우리 이웃의 범죄) is a 2011 South Korean crime film, produced by Shin Hyun-joon, about a detective who investigates the circumstances of a young autistic boy's death.

A body found at a lake is identified by police as Jeong Min-hwan, a young autistic boy, who went missing two months earlier.

While struggling in his troubled relationship with his son Gyeong-su, Detective Jo Chang-shik is assigned to the case.

When he eventually unearths their family secrets, he suspects the father may be responsible for Min-hwan's death.

You can help Wikipedia by expanding it.This article about a 2010s crime drama film is a stub.