Terry is what's know as a Man-with-a-Van. When his van starts to let him down, he takes it in to a local garage to get it fixed. That's where he meets mechanic Harry who cuts him a good dead and introduces him to a stack of kinky porn he keeps out the back. One thing leads to another and to Terry's amazement, he ends up with his trousers round his ankles getting "serviced" by this randy mechanic. Harry invites Terry back to meet young Dave, his apprentice,...