641TALES FROM THE CITADEL » by Swordwriter
First in a series of one shots. Beckett and Castle join with a team from the 14th. precinct to investigate a serial rapist-murderer. The female detective shows an interest in Castle and Beckett's green-eyed monster comes out to play.Castle, M, English, Drama & Romance, chapters: 45, words: 149k+, favs: 82, follows: 111, updated: 10/18/2022 published: 10/19/2014
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I Can't Hear You » by Perspex13
A creepy case in the autumn following Beckett's return to the precinct exposes secrets within the Homicide team. An AU story for a Castle Halloween Bash Entry.Castle, T, English, Suspense, chapters: 13, words: 47k+, favs: 71, follows: 145, updated: 6/22/2022 published: 10/1/2018, Rick C., Kate B., Javier E., Kevin R.
114 Homecoming » by Aalon
This is the 7th story in the Different Road Taken AU. This story finds Richard Castle and Kate Beckett leaving the west coast temporarily, flying back to the east coast for the wedding of Kevin and Jenny. A chance to visit with old friends and loved ones . . . what could possibly go wrong?Castle, T, English, Mystery & Adventure, chapters: 13, words: 44k+, favs: 39, follows: 51, updated: 9/25/2021 published: 7/12/2021, Rick C., Kate B., Javier E., Kevin R.
144 Two Can Play » by Leonard 356
Another AU season two story. Rick finally has had enough and leaves the twelfth forever. Only this time there is no ex wife to go with. There are however, consequences resulting from their treatment of him.Castle, T, English, Drama, chapters: 14, words: 46k+, favs: 69, follows: 77, updated: 7/19/2021 published: 7/6/2021, Rick C., Kate B., Roy M., OC
247 Realm of the Faery » by Swordwriter
Summary: Set in season three just after the freezer/bomb incidents. Kate takes a two week vacation with Josh. She realizes that there's no future with Josh and breaks up with him. When she gets back, Castle is nowhere to be found. Will she, can she get him back? Sort of a mix of Brigadoon, Outlander and once upon a time.Castle, M, English, Fantasy & Adventure, chapters: 17, words: 57k+, favs: 65, follows: 105, updated: 7/3/2021 published: 4/19/2016
199 American Crime Stories » by Writer Alexander
She had lied to him. For months. The more he thought about it, the faster the hurt faded away. It was replaced by anger. No, not anger, pure and unchecked fury. The story starts during "Forty-seven" and will go from there. This won't be Caskett!Castle, M, English, Crime & Drama, chapters: 35, words: 138k+, favs: 149, follows: 174, updated: 4/7/2021 published: 4/7/2017, [Rick C., J. Shaw]
55 What Will You Do? by Perspex13
An innocuous question from Castle prompts Beckett to evaluate how far she's willing to go for justice.Castle, T, English, Drama & Mystery, words: 8k+, favs: 39, follows: 34, 3/12/2021, Rick C., Kate B., Javier E., Kevin R.
136 Blue Coffee Cup: Broken » by mysterymuse
Companion piece to Blue Coffee Cup. Post-Watershed AU. Beckett accepts the DC job and breaks it off with Castle. But is it what her heart really wants? Can she fix what's broken?Castle, T, English, Angst & Romance, chapters: 7, words: 16k+, favs: 103, follows: 195, updated: 4/11/2020 published: 7/17/2015, Rick C., Kate B.
206 Mannequins and Marionettes » by Aalon
This is the 5th story in the Different Road Taken AU. It takes place roughly six weeks after the conclusion of A Fly in the Garden. A murder takes Richard Castle and Kate Beckett to the seedy side of San Francisco.Castle, T, English, Mystery & Romance, chapters: 19, words: 61k+, favs: 51, follows: 70, updated: 2/9/2020 published: 1/1/2018, Rick C., Kate B.
139 A Long Way Home » by castlefan6
Authors Note: Another What If based on the episode, COUNTDOWN, what happened if Rick didn't return to the precinct after leaving after seeing Kate in Josh's arms? It starts with Canon dialog, courtesy of Dust Jackets Dot Com, then goes quickly and completely AU. The journey continues with a new Kate and Rick, hope you enjoy!Castle, T, English, Hurt/Comfort, chapters: 23, words: 75k+, favs: 48, follows: 57, updated: 1/27/2020 published: 1/11/2020, Rick C., Kate B.
179The Abyss Gazes Also » by JimW
I'm not a cop, he thinks. I'm... not a cop. And that means there are a lot of things I can't do. But it also means... I don't have to play by the rules.Castle, T, English, Drama & Crime, chapters: 22, words: 81k+, favs: 186, follows: 292, updated: 1/9/2020 published: 12/16/2011, Rick C., Kate B., C. Burke, OC
25 I've had enough, I deserve better! by PadyandMoony
Castle has enough when Beckett compares him to Dr. Motorcycle Boy. NOT FOR BECKETT LOVERS.Castle, T, English, Hurt/Comfort, words: 9k+, favs: 58, follows: 19, 11/17/2019, Rick C., Kate B.
117 Belated Memories » by castlefan6
Authors Note: Another What If based on the episode, A Deadly Game (TY Cyotepup4 for the correction). Starts off with Canon dialog, quickly goes completely AU. No Gina in the Hamptons, just twists of fate in the Castle's lives.Castle, T, English, Hurt/Comfort & Romance, chapters: 28, words: 80k+, favs: 29, follows: 44, updated: 11/11/2019 published: 10/15/2019, Rick C., Kate B.
16 You're kidding me, right? by PadyandMoony
Castle doesn't find Kate putting him in the doghouse because of a dream even a little bit funny. A different response for 8x18. NOT FOR BECKETT LOVERS.Castle, T, English, words: 8k+, favs: 46, follows: 13, 10/24/2019, Rick C., Kate B.
156 Compulsive Liars Anonymous » by PadyandMoony
The case with this compulsive liar makes Castle reflect on his life and his relationship with Beckett. A season 8 repercussions story. NOT FOR BECKETT LOVERS. Mentions of torture and suicidal thoughts.Castle, T, English, Angst & Hurt/Comfort, chapters: 8, words: 55k+, favs: 101, follows: 68, updated: 10/24/2019 published: 4/12/2019, Rick C., Kate B., Alexis C., Martha R.
35 A Matter of Inches » by castlefan6
Authors Note: From a prompt from Mbeckettcastle, I hope I do it proud for you. Rick did save Kate from the sniper, but that was just the start. As always, things never go smoothly for our duo, Details from Knockout altered to fit this fic, so this is TOTALLY AU, times and dates may have been changed to fit the storyline,Castle, T, English, Hurt/Comfort & Romance, chapters: 6, words: 15k+, favs: 53, follows: 58, updated: 10/3/2019 published: 9/13/2019, Rick C., Kate B.
128 Guam » by Leonard 356
Season 8: After two months apart, Rick goes 'all-in' with a last ditch effort to save his marriage. Complete.Castle, T, English, Drama, chapters: 9, words: 16k+, favs: 66, follows: 91, updated: 9/13/2019 published: 9/5/2019, Rick C., Kate B., Lanie P., Hayley S.
80 Abandoned Love » by castlefan6
Authors Note: Rick has recovered from physical wounds suffered foiling a plot to kill Kate Beckett. Time marched on, Alexis is now in Grad School, Martha has played her last performance when she passed quietly in her sleep. He talks to Kate, Gina, the boys, but NOTHING has restored him to his prior self before he was almost killed saving his Detective and True Love. TOTALLY AUCastle, T, English, Hurt/Comfort & Romance, chapters: 17, words: 47k+, favs: 32, follows: 51, updated: 9/12/2019 published: 8/27/2019
31 Irrevocable by NevynR
Another variation on the climax of Knockout - what if Castle had been just a fraction of a second faster...? Not enough to stop Beckett from getting shot, but just enough to need two ambulances instead of one.Castle, T, English, Drama & Hurt/Comfort, words: 7k+, favs: 70, follows: 70, 9/11/2019, Rick C., Kate B., Josh D., Jim B.
26 Not a puppy » by PadyandMoony
Kate finds out that three months is a long time, and expecting everything to be just the way she left it is pretty unrealistic. A Castle isn't willing to forgive and forget when Kate reappears in Rise. NOT FOR BECKETT LOVERS.Castle, T, English, Hurt/Comfort & Romance, chapters: 4, words: 23k+, favs: 56, follows: 18, 8/16/2019, Rick C., Kate B.