The duo clash in a deadly conflict as retirement home residents in the psychological thriller, which is set to hit theaters March 7 before streaming on Shudder.

Confined to a secluded rest home and trapped within his stroke-ridden body, a former Judge must stop an elderly psychopath who employs a child's puppet to abuse the home's residents with deadly consequences.

Arrogant Judge Stefan Mortensen (Rush) suffers a near-fatal stroke, leaving him partially paralyzed and confined to a retirement home. Resistant to the staff and distant from his friendly roommate, Mortensen soon clashes with seemingly gentle resident Dave Crealy (Lithgow) who secretly terrorizes the home with a sadistic game called "The Rule of Jenny Pen” while wielding his dementia doll as an instrument of cruelty.

"We don't stop playing because we get old, we get old because we stop playing." IFC Films has revealed the full official trailer for The Rule of Jenny Pen, a mega scary horror film made by Kiwi filmmaker James Ashcroft.