Jenna (Scout Taylor-Compton) is traumatized when she is trapped in a small vehicle after a car accident, forced to observe the mangled corpse of her fiancee in the driver's seat until help arrives. Fast forward three years, Jenna and her three friends travel to a lakeside cabin for a carefree weekend. The fun quickly becomes a nightmare when three of them end up locked in a compact, hot sauna. As fear sets in and Jenna reconnects with the horror of - the incident,- every minute counts and every degree matters as they fight for their lives in heat that is quickly approaching 247°F - the temperature when the human body expires. See Scout Taylor-Compton and Tyler Mane reunited for the first time since the Rob Zombie's Halloween films in a thriller that will satisfy just about everything -- but your thirst.