Private detectives Nick and Barbara go undercover to the Circle S Ranch, a swingers' resort, to investigate a murder. In order to gather information, they both have sex with the various swin... Read allPrivate detectives Nick and Barbara go undercover to the Circle S Ranch, a swingers' resort, to investigate a murder. In order to gather information, they both have sex with the various swingers at the ranch. In doing so they not only get closer to the killer, but find out that a... Read allPrivate detectives Nick and Barbara go undercover to the Circle S Ranch, a swingers' resort, to investigate a murder. In order to gather information, they both have sex with the various swingers at the ranch. In doing so they not only get closer to the killer, but find out that all the sex they've having is making them feel closer to each other.