Four friends rent an isolated lake house for a weekend getaway. While the dramas of the friends' relationships unfold, they are continually interrupted by the home’s owner: a health-obsessed bodybuilder named Tad. Throughout the group’s short stay, Tad's seemingly affable gestures take an eerie and sinister twist, turning their dream vacation into a nightmare. Mystery entangles this tale that questions the blind acceptance of modern-day practices.