Three husbands have a routine every year, where they go away together, to what they tell their wives is a business convention, but is actually a sex resort. What they don't realize is that their wives aren't exactly sitting around doing nothing while they're gone.

When Barbara is asked to go undercover to assist Nick in a murder investigation, she gets more than she bargained for! Together they embark on a perverse trail of lies and deceit to the secretive "Circle S" singles ranch. Sleeping their way through the various patrons to get information, they discover the truth behind the mystery.