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In Season 4, Episode 7, Cops & Robbers, what if Castle didn’t realise in time that they were going to blow themselves up, and was unable to save himself and Martha from their imminent deaths? What would Alexis, Kate and the team do?
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Castle and Beckett return to Japan with family and friends for the summer, traveling from Tokyo and outward in the Land of the Rising Sun. As they explore even more of the country, Castle and Beckett look forward to celebrating their ninth anniversary. Forty-ninth in the Beware Of Darkness series. Caskett pairing.
Series
- Part 49 of Beware Of Darkness
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What if Alexis had met Kate first? When 16-year-old Alexis Castle is witness to an attempted murder, her attachment to Kate Beckett grows as she tries to navigate the trauma, and maybe trying to set Kate up with her dad.
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In the heart of Manhattan, Detective Katherine “Kate” Beckett was a paradox—a brilliant yet seemingly grounded NYPD homicide detective partnered with the charming, effervescent novelist Richard Castle. He saw the sharp intellect, the almost preternatural tactical genius, but not the truth: Kate Beckett was a carefully constructed fiction.
Her real story began as Katharine Eleanor Vanderbilt, scion of the oldest, most shadow-woven dynasty in America. A true prodigy, she could deconstruct geopolitical strategies and advanced quantum physics before she was a teenager. Her only solace in the gilded cage of her destiny was Alexandra “Alex” Thorne, her fierce, loyal friend from the adjacent estate. Their bond, deep and unbreakable, blossomed into a secret, all-consuming love. Alex, sharp-edged and formidable, loved Kate with a ferocity that matched her own.
They are trapped in a triptych of love and pain. Alex and Richard, in every iteration, love Kate unto ruin. Yet, in every lifetime, their paths converge again. The love, ancient and weary, resurfaces. The danger follows. And the loop begins anew: passion and protection, betrayal and sacrifice, memory and loss. -
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For Christmas Richard Castle buys his 15 year old and always horny daughter the best Christmas gift he can think of, a perinate live in sex slave named Kate Beckett. Alexis loves her gift and Kate is excited to be sold into the Castle house hold because Richard Castle is her favorite writer.
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Kate Beckett is in an abusive marriage. Two years next month. But what happens when famous author Richard Castle moves a floor below with his mother and four-year-old daughter? What happens when Kate's husband Jacob invites Rick and his family over for dinner? Will Kate be able to handle her husband's anger much longer, and what role will Rick play in her story? Will he be her savior or the fuse to her demise?
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Alexis Castle decides to give her rich father Richard Castle a birthday present even his money can't buy.
Series
- Part 10 of Apervylittleperson1990's Snuff fics
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We both know this is probably the last time I’ll ever see his face, so I try to memorise it. He’s always been a source of comfort for me, even when he got on my nerves with his naive, ignorant attitude, so I look to him for comfort for what I fear might be the last time.
a rewrite of castle season 4 from beckett's pov w additional scenes and slight changes.
most of this won't make sense if you haven't watched castle seasons 1–3 but considering you're about to read a fanfic based on it i'm assuming you have.
TW: see tags
i have no idea what i'm doing and it shows
please don't copy without my permission 🎀 -
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Latest Chapter 10, Kate upon seeing Castle has moved on with Serena Kaye decides to return and claim her man back as Castle belongs to her alone. Only to discover that's not happening and is in for some other major surprises. Not for Kate or Esposito fans in this one.
Like the says the title of a collection for various Castle one shots/small fic ideas when feeling the need to write yet not wanting a new story every time so not scattered everywhere.
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- Part 2 of My Assortment Collection
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After their respective divorces, Castle and Ryan grow closer.
I do not consent to my works being scraped for ai
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All she planned to do was stop in and wish them a Merry Christmas…
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- Part 31 of In So Few Words
- Language:
- English
- Words:
- 347
- Chapters:
- 1/1
- Kudos:
- 9
- Hits:
- 202
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When a body is found mimicking a historical murder, Castle and Beckett are called in to find and stop the killer before more recreations can be attempted. Forty-eighth in the Beware Of Darkness series.
Series
- Part 48 of Beware Of Darkness
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On My Orders // Day 10 - Punishment (Castle Beckett/Castle) by Anonymous
Fandoms: Castle (TV 2009)
14 Oct 2025
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Castle steps between a knife and Beckett; the arrest holds, but the aftermath doesn’t.
Back at the loft, they draw a hard line between bravery and recklessness—then work it out the way only they can: rules, control, and care.
Angry becomes honest, heat becomes aftercare, and “stay” starts to mean “stay alive with me.”Series
- Part 9 of Pandah's Kinktober 2025
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In this high school AU, Kate Beckett's life has been shattered by a mysterious summer incident that transformed her from ordinary student to school pariah. When charming new student Rick Rogers arrives, he sees beyond the cruel rumors and malicious bullying to discover the vulnerable, brilliant girl beneath. As they navigate the treacherous waters of high school drama, family neglect, and their own insecurities, Kate and Rick form a connection that defies all odds. Through stolen moments in libraries, rescues from humiliating pranks, and honest conversations that reveal their deepest fears, they discover in each other what they've both been missing—someone who truly sees them. This poignant coming-of-age tale explores how two wounded souls find healing in each other, proving that sometimes your first love can be your last love.
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set in season 5, but doesn‘t follow plot. Alexis is 17 and at the beginning of her last year of high school and decides to intern in the morgue. Her new friend decides to do the same at the precinct. Lifes will be turned upside down. Only my own characters, the rest belongs to the creators of castle
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A few months after the events of the Gloryhole surprise, Kate has the onerous task of preparing the surprise birthday party for her husband, Richard. Kate enlists the help of Richard's daughter, Alexis, to make sure she gives the best present Richard has ever had.
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Three times Castle and Hayley are caught making out.
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Kates boyfriend leaves her pregnant, Castle steps up and into a role.
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Post-S08E19 AU (Canon Divergence)
When Attorney Caleb Brown gives Beckett and Castle his phone, it triggers a chain reaction they never saw coming. What starts as their final shot at exposing LokSat spirals into something bigger – and far more dangerous – than murder boards and espionage.Systems are collapsing. Records are vanishing. Reality itself is beginning to glitch.
As they trace the digital rot through old cases, hidden programs, and buried sins, the team uncovers a conspiracy not just to erase the truth – but to rewrite it.
If the system decides who counts as real… how do you fight back?
For fans of slow-burn thrillers, noir investigations, digital ghosts, and stories that push the precinct into uncharted territory.
Series
- Part 1 of The Killing Protocol Series
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Kate and Richard juggle their new found relationship through a weird couple of cases and pranks