We have a brand new exclusive clip from an upcoming thriller Diagnosis: Death, which will be released on DVD on December 29. Click below for our new exclusive clip, which shows Brett McKenzie debating about a convulsion.

A supernatural force brings together two lost souls undergoing radical treatment at an experimental drug-testing facility. When the facility is locked down for the weekend and the drugs take effect, the human guinea pigs experience sinister hallucinations pointing to a horrific double murder. Unsure of where reality stops, the apparitions become more and more threatening until the only way to leave the facility alive is to solve the haunting secret.