Rick Castle is an officer with the Galactic Commonwealth Fleet Marines, Kate Beckett is a fleet surgeon. In events prior to this story, Kate saved Ricks life after he was critically wounded in battle. They meet at a dance while he is on embassy guard duty. This story opens a few months later. They will serve together on a dangerous mission. Eventually Caskett

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 has been hurt and rejected one time too many. He decides that a total change in lifestyle and locale is needed. Alexis is at Stanford. New York no longer feels like home. He severs ties with Black Pawn and heads west

Colonel Richard Rogers is commanding an infantry regiment in the Old West.

In this Parallel worlds Science-fiction/fantasy story Captain Richard Rodgers, U.S. Army Rangers is transported across space and time to the nation of Caledonia to marry the Royal Princess and defend the kingdom.

An AU story:Captain Richard Castle commands the 44 gun frigate the U.S.S. Retribution during the War of 1812. Lady Katherine Beckett is a young Irish beauty trapped in a loveless marriage with a venal man 25 years her senior. What will happen when their paths cross at sea?

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.

22 years after a shipboard romance Castle finds out that he has a son that he never knew about. will this knowledge derail the romance between Rick and Kate's son and the adopted sister of the previously unknown son or will Jim Rogers and Fallon Reynolds persevere. Set in the Wings of Fury universe.

An AU retelling of Deadly Game. Beckett's treatment of Castle goes too far. He leaves the precinct for good. No pathetic need of Gina or tail between his legs return in the fall. It will be a major shock to Beckett and her crew when she finds out who Richard Rodgers really is. Caskett is not a foregone conclusion in this one.

: Major Richard Castle is an F-86 pilot flying during the Korean War. A world War Two ace flying P-51's he now has eight kills to his credit, three of them Mig-15's. He is a member of the Air Force Reserve called up for Korea. A successful mystery writer he is divorced with a seven year old daughter. He is thirty years old. Kate Beckett is a war correspondent.

After the dirty bomb/freezer incidents and kate choosing Josh Castle has had enough and walks away from her and the precinct. After being out of the city for two months he returns and ends up on the TV show Mr.Right, a match making show. In the intirem Kate breaks up with Josh and realizes what she lost. Learning of the show and Castle's involvement, she fears she may lose him.

A very AU tale set in 5th century Britain. Richardus Castellum (Richard Castle) leads a war band against petty tyrants, Saxons, bandits, marauders and raiders. A distant cousin of Arthur Pendragon he is sometimes an ally and sometimes a rival though not an enemy. A blend of history and fantasy. No magic, dragons, vampires or werewolves.

What will happen when Kate is waiting at JFK for Rick to return from a book tour and contact is lost with the flight in bad weather?

Kate escapes a abusive relationship and seeks comfort from Castle Rated M for subject matter possible triggers

Au after season 4. Kate didn't come to Rick's loft. Will she get him back, or will he be lost to her forever?

22 years after a shipboard romance between Richard Rodgers and Cecelia Clarke cecelia's adopted daughter Fallon meets and falls in love with Rick's Son James. When Cecelia meets Jim, who is the spitting image of his father it results in a terrible secret comes to light. Cecelia's 21 year old son is Ricks. Something Rick never knew as cecelia kept it from him. All hell breaks loose.

Kate Beckett and Richard Rodgers have not seen each other in ten years. fate brings them together again. Can the beautiful ADA and the Special Forces officer finally find happiness?

Kyra Blaine reads about the Beckett-Castle wedding and reflects on her own failed marriage and a long lost love.

Kate Beckett realizes what she really wants, but will she be too late to get it? And what's with the Castle that we thought we knew?