A husband has gone missing in Rome so Richard Bradley, a private investigator, has been retained to find him. Richard discovers fraud, a failing business and the apparent suicide of a colleague, but tracing the absent man's contacts leads him into the seedy gay worlds of London and Rome. After Richard gets caught up in a murder enquiry he begins to succumb to the charms of the promiscuous homosexual Clifford. Whether or not he finds his man he learns much more than he expected.