In 1974, a mass murder shook the sleepy waterfront town of Amityville, New York. One November night, police found the DeFeo family shot dead, face down in their beds. Only one survived: Ron DeFeo Jr., the eldest son with a troubled past. In this six-part series, host Donnie Wahlberg untangles the dark and complicated story of what happened that night, and unearths how these grisly murders sparked an infamous haunted tale.

After Ron DeFeo Jr. finds his parents and younger siblings dead in their Amityville, New York, home, police begin to search for the killer. Host Donnie Wahlberg and local journalist Joel Martin revisit that horrific evening in 1974, the crime scene and the investigation — all in hopes of answering a question heavy on residents’ minds: “Who would murder an entire family in the dead of night?”