Deviant Detours (2001)

The story starts with a harmless sex accident. Will accompanies his lover Gizmo to the doctor's office. This is quite a doctor! He administers some very special treatment on Will and allows a couple of wild guys -who just finished a fascinating fisting session- to kidnap Gizmo. In the nick of time, Will realizes what's going on and follows the kidnapper‘s car, but loses them again.