Its another superb story by Vulgus. He has 92 stories on the site, the last posted December 7th, 2012. I hope he will write more, but his existing work is well worth reading and re-reading. I plan to re-read many of them in the next couple of weeks.
Another good thing about the author, his story descriptions give pretty good guidance about why you should read the story. I am not going to repeat any of that here. There is lots and lots of sex. Very arousing, I am sure you know what I mean. I wouldn't call them stroke stories, but they do turn on even a casual reader.
The numbers, Plot is not quite a ten, its only five chapters and covers a week or so, but there are twists and turns and some bondage, so there is plotting. Part of it is about cars. There isn't a car porn tag, but the male characters really like cars. Technical is very good. I didn't find any errors, but it is difficult for me to give a ten to technical, "most amazing story" just doesn't occur to me when I review the spelling, punctuation and homonym situation. Appeal to reader, now that's a real ten.
If you don't read this story there must be a lot of important things for you to do instead. There may be a few better stories on SOL, but most of them are much, much longer. And there aren't all that many better.