The Madness Underneath

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Title: The Madness Underneath
Author(s): Hybridlovelies
Date(s): First published: Mar 21, 2013; completed: Sep 3, 2014
Length: 191,126 words
Genre: het
Fandom: Vampire Diaries
External Links: The Madness Underneath at
fic cover by swinty81

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The Madness Underneath is a popular Klaus/Caroline All Human AU fic by Hybridlovelies based heavily on Sherlock Holmes characters and cases. It could be considered a fusion with Elementary due to the primary premise.


Official Summary:Caroline is a psych student working as a sober companion in Chicago, hired by Elijah Mikaelson to assist his brother, Klaus, who is fresh out of rehab. For the next six weeks she'll be with him 24/7 helping him to maintain a sober life. Caroline will soon discover Klaus is no ordinary client. AH/AU, based off of Elementry/Sherlock Holmes. Do not have to be a fan of Holmes to read!

Reviews and Comments

art for the fic with various fan reactions quoted on the image
For those of you who love BBC’s Sherlock but most importantly Elementary, this is the fic you should not miss. This fic follows the basic plot of Elementary having Klaus as a recovering addict and Caroline as his sober companion. The two don’t start as the best of friends but quickly they both find themselves quite fond of one another. Klaus’ job as a consulting detective intrigues Caroline but it also brings Klaus a step closer to dealing with his past demons involving his little sister Rebekah.[1]
The Madness Underneath is done.

I am done reading The Madness Underneath.

I’m ok.

No, really, I’m ok.

I’m …. NOT OK

my eyes are continuing to fill with tears that I refuse to shed. The fic will live on in INFAMY for ALL KC FANS TO LOVE AND ENJOY AND PASS ON TO THEIR CHILDREN AND THEIR CHILDREN’S CHILDREN. It’s the KC Circle of Life.

TMU? One for the record books and the storybooks.

Katie, m’friend, you have out done yourself with this amazing piece of writing and I can’t even begin to imagine the amount of time and effort and research it took to write this entire story, but just know that I sincerely appreciate ALL of the hard work you put into this.

It quickly became one of my favorite stories, but now it finishes out as one of my top 5 favorite KC fics of ALL TIME! I just loved every single second of it and now I just want to go read it all again. This one’s going in my eBook library to enjoy for all times.

Thank you, Katie, for giving us such an amazing and exciting KC fic.

I love this story! Because of this, I started watching Elementary. It’s amazing, Katie is amazing! Her stories are so captivating and brilliant! I’m so excited to get to read this one over and over.[3]

Not all fans love the fic unconditionally, though.

I really enjoyed this fanfic, but I think that she forgave him way too easily. The way he controls her and makes all the decisions for her is borderline psychotic and a sign of an abusive relationship. Furthermore, the way she just accepts everything he did, all the lies he told her, all the deception and scheming he did behind her back, all the trauma he put her through, and the fact that he ONLY came back into her life when she was moving on is just not right, is unfair, and just shows that she has issues of insecurity and self-worth that allow her to let men walk all over her. So, while this fanfic overall is a phenomenal piece of writing that showcases your ability as a writer, the ending was too forced and too rushed for my liking. Either Klaus should've told her WAY sooner (...) or she should have made him grovel and work for it like Stephen said.[4]
No, I can't take that ending, what a douchey move, she forgave him way too easily even though I understand that their love was just so great she couldn't live without him but god, what a dick.[5]


The fic won Best Action/Adventure Fiction in 2014 and Best Crime/Mystery/Thriller Fiction in 2013 at Klaroline Awards

Posters and Fanart

On 13 Jul 2013 a fanfic trailer was released on YouTube by AngeloftheNight30. It can be accessed here. An ebbok has been created by a fan of the story here.

The fic has been tranlated into Chinese


  1. rec post in Klaroline Magazine, accessed February 23, 2015.
  2. reaction post, accessed February 23, 2015.
  3. Tumblr post, accessed February 23, 2015.
  4. fic review, accessed February 23, 2015.
  5. fic review, accessed February 23, 2015.