Four childhood friends, all married with no passion left, get together in a high school reunion dinner. Between laughs and drinks, they all agree that they love their wives but no longer desire them. Together they hatch an illogical project: a secret club for men who want to cheat, so that they themselves can regain lust for their wives.
On a weekend getaway at a rundown cabin in the woods, Jason, a cautious teen, his crude best friend Colin and his fearless older sister Summer are forced to work together, grow up and save their hard partying parents from their predatory neighbour (Lauren Holly) who is intent on feeding them all to her undead family…