15Amazing » by CheerfulChemist
This AU story begins at the point in "Knockdown" when Rick and Kate are trying to figure out how to go after Lockwood without getting Ryan and Esposito killed. Castle's kiss shocks Kate into a realization.Castle, M, English, Romance & Crime, chapters: 2, words: 2k+, favs: 21, follows: 44, updated: 11h published: 12/6, Rick C., Kate B., Javier E., Kevin R.
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Kate Beckett, Investigator » by CheerfulChemist
This story is a continuation of "Confession." Kate and Rick are married. Kate works for her father as an investigator into corporate malfeasance. Martha is living with her boyfriend Rafael. The opening, with some modifications, is based on NYC history.Castle, T, English, Crime & Romance, chapters: 59, words: 77k+, favs: 37, follows: 56, updated: 12/5 published: 10/8, Rick C., Kate B., Jim B.
410 Confession » by CheerfulChemist
This is an AU story taking place sometime after Sucker Punch when Kate has already renewed her investigation into her mother's death. Castle is driven to admit his feelings earlier than in canon. The cover art is by Artifex Prime.Castle, M, English, Crime & Romance, chapters: 74, words: 98k+, favs: 62, follows: 85, updated: 10/7 published: 7/26, Rick C., Kate B., Roy M.
126Whatever This Is » by lovelyja
After watching the Detective sob over Dick Coonan's body, one thing becomes clear to Richard Castle: Kate Beckett needs a friend. AU from Sucker Punch, 2x13Castle, K, English, Romance, chapters: 11, words: 20k+, favs: 42, follows: 96, updated: 10/1 published: 1/22, Rick C., Kate B.
954 Shared Obsession » by CheerfulChemist
Detective Beckett questions Castle about the 'Flowers for her Grave' murder and discovers he's not high on the NYPD. Still, he wants to be involved with the department. She's not the only one touched by an unsolved homicide.Castle, M, English, Crime & Romance, chapters: 202, words: 291k+, favs: 73, follows: 101, updated: 7/25 published: 1/5, Rick C., Kate B., Alexis C., Roy M.
1k+The Secret Life of Castle and Beckett » by AleciaB
AU – return to the pilot episode. Imagine they did go to dinner to debrief and then kept their personal life a secret.Castle, M, English, Romance, chapters: 122, words: 432k+, favs: 348, follows: 568, updated: 1/28 published: 3/5/2017, Kate B.
486 For the People » by CheerfulChemist
This story is in the same AU as Under and Over. Kate is now a prosecutor, Rick is an award-winning author of books exposing the criminal history of well-known figures including Bracken. The story starts with DA Gidon Shapiro and ADA Kate Beckett prosecuting a rich and powerful politician for rape.Castle, M, English, Crime & Romance, chapters: 115, words: 157k+, favs: 50, follows: 73, updated: 1/4 published: 9/12/2022, Rick C., Kate B.
162 Holding On » by evitascarlett
A collection of deleted scenes, missing moments and some alternate scenes from Apologize.Castle, T, English, Drama & Romance, chapters: 15, words: 120k+, favs: 30, follows: 54, updated: 10/22/2022 published: 5/10/2016, Rick C., Kate B., Jim B., Johanna B.
422 Under and Over » by CheerfulChemist
This story begins just before the kiss in Knockdown. Only in this version, Rick admits his feelings for Kate and she is forced to respond.Castle, M, English, Romance & Crime, chapters: 106, words: 142k+, favs: 90, follows: 108, updated: 9/11/2022 published: 5/29/2022, Rick C., Kate B., Jim B.
199 Gifts of Love Large and Small » by Trinity Everett
Castle family holiday hijinks. A story of Christmas love and joy. Caskett, post-series fic. Castle Ficathon Winter 2021. Now Complete!Castle, T, English, Romance & Family, chapters: 10, words: 20k+, favs: 50, follows: 62, updated: 12/24/2021 published: 12/6/2021, [Kate B., Rick C.]
1k+ Nothing Lost » by bingblot
"Montgomery was dead. Beckett would be devastated. It didn't matter that Castle hadn't seen her in almost two years. Right now, in the face of this loss, all he knew was this overwhelming concern, this need to make sure she was okay." An AU version of "Knockout."Castle, T, English, Romance & Hurt/Comfort, chapters: 52, words: 274k+, favs: 234, follows: 378, updated: 5/13/2021 published: 1/10/2020, Rick C., Kate B.
30 Come up to meet you » by inkywrittenwords
"She never in a million years would have thought that the day would come where she would have to move on from him." A little alternative ending to 5x23 WatershedCastle, K+, English, Romance & Drama, chapters: 3, words: 7k+, favs: 11, follows: 36, updated: 3/29/2021 published: 1/6/2021
150 Paris Adventures - A Vacation in Snapshots » by Trinity Everett
Castle and Beckett spend a month in France, enjoying each other and a secret that's just for them - for the moment. Caskett. (Drabbles/Double Drabbles/Ficlets originally posted for Fluffy Fridays on my tumblr)Castle, T, English, Romance & Humor, chapters: 31, words: 7k+, favs: 49, follows: 49, updated: 3/2/2021 published: 2/20/2021, [Kate B., Rick C.]
254 More Than Gold » by Trinity Everett
A celebration of the season as the Castle family prepares for Christmas. For Castle Ficathon Winter 2020. 12 Prompts of Christmas.Castle, T, English, Family & Romance, chapters: 13, words: 16k+, favs: 47, follows: 64, updated: 12/25/2020 published: 12/13/2020, [Kate B., Rick C.]
480 There Will Be Christmas » by chezchuckles
Castle and Beckett at Christmas. One-shots. Stand-alones.Castle, T, English, Romance & Drama, chapters: 25, words: 60k+, favs: 64, follows: 75, updated: 12/25/2020 published: 12/1/2020, Rick C., Kate B.
13 Glad You're Okay by Natalie Elizabeth
Set at the end of 3XK. Life's to short for just okay. For DisneyCastleFriends18 Merry Christmas.Castle, T, English, Romance & Angst, words: 3k+, favs: 34, follows: 15, 12/25/2020, Rick C., Kate B.
28 A Family Christmas by Netsrik1
Set Season 6. Kate Beckett has Christmas week off, but instead of spending it with Castle, she joins her dad up at the cabin.Castle, K, English, Family, words: 2k+, favs: 17, follows: 12, 12/22/2020, Kate B., Jim B.
21 December Coffee by wendykw
Rick tries to brighten Kate's Christmas spirit with a little help from baby Lily.Castle, K, English, Family, words: 923, favs: 17, follows: 9, 12/15/2020, [Rick C., Kate B.]
3k+ Second Chance » by imdoingthiswhy
Season 2 finale AU. Lanie sees the disaster happening as Castle leaves with Gina. She talks to Beckett, then goes behind Beckett's back to stage an intervention. Life, love, cases, crises, etc. follow.Castle, T, English, Romance & Family, chapters: 207, words: 973k+, favs: 440, follows: 565, updated: 12/8/2020 published: 8/20/2016
119 Weekly Confessional » by MadAboutCastle10
What if Burke suggested Kate work up to her lie with smaller confessions? This will be a series of loosely connected one shots, all taking place in season 4 beginning with "Eye of the Beholder". May not always take place during an episode, but will contain references to them. Will go AU when the story demands it. I have no beta. So all mistakes are mine.Castle, T, English, Drama, chapters: 10, words: 19k+, favs: 64, follows: 101, updated: 10/20/2020 published: 9/2/2020