One interesting plot could be that Castle gets pregnant during a dangerous mission. Beckett is worried about her safety and the safety of the baby. They then have to balance their duties as crime - fighters with the new responsibility of bringing a new life into the world. It would show their struggle between their two identities - the crime - solving duo and soon - to - be - parents.
Maybe Castle's pregnancy is part of a prophecy in the fanfiction world. Beckett, being the skeptic, has to come to terms with this strange turn of events. The two of them then embark on a journey to figure out what the prophecy means for their future and the future of their unborn child. This would involve a lot of mystery and exploration.
One great fanfiction could be one where Beckett discovers Castle's pregnancy and they navigate the challenges together. It might explore how their relationship changes as they prepare for a new addition to their family.
A cute plot could be that their baby is born during a big case. Castle is away when Beckett goes into labor, and he has to race back. When he finally arrives at the hospital, he is just in time to hold their new - born, and they both realize how their lives are about to change in the most wonderful way.
They might disappear because of a time - traveling device gone wrong. So they end up in a different era, say the 1920s. Castle could be a struggling writer and Beckett a detective in a very different kind of police force. They have to adapt to the new time while also trying to figure out how to get back to their own time. Or perhaps they disappear due to a magical curse. In this case, they have to solve the mystery of the curse to reappear in their world.
Esposito and Ryan are very likely to be involved. They are Castle's friends and colleagues, and they would probably be there to support the couple. They might offer their own brand of humor and help out in practical ways, like throwing a baby shower for Beckett and Castle. Also, Martha, Castle's mother, would surely be a central figure. She could offer her wisdom on pregnancy and child - rearing, and add some comical moments with her unique personality.
One popular theme is how Castle and Beckett deal with the changes in their relationship during the pregnancy. It often shows their growing closeness and support for each other.
One common theme could be the anticipation and excitement of new life. The story might focus on how Beckett and Castle prepare for the baby, like decorating the nursery or choosing names. Another theme could be the challenges they face during the pregnancy, such as health scares or adjusting to the idea of becoming parents. It could also explore how their relationship evolves during this time, growing deeper as they share this special experience.
In this kind of fanfiction scenario, the story could be filled with intense emotions. Castle and Beckett would surely be devastated. They would immediately start using their detective skills and connections to search for their child. They might start by retracing their steps, thinking about any enemies they've made during their investigations. Maybe they'd discover a clue in an unexpected place, like a toy left at the scene that has some hidden message or marking on it.
There could be. The Castle fandom is quite creative, and a pregnancy plot for Beckett is a popular trope in fanfiction. Some fanfics might focus on the romantic aspect of it, with Castle being over - the - moon and taking extra care of Beckett. Others might explore the more practical and challenging sides, such as Beckett still trying to solve cases while dealing with pregnancy symptoms.
One interesting plot could be that Beckett discovers she's pregnant right before a big, dangerous case. She has to decide whether to tell Castle immediately or wait until the case is over. Another plot might be that the pregnancy has some sort of strange medical mystery attached to it, which ties into Castle's love for mystery - solving. Maybe the doctors are stumped by some unusual symptoms and Castle uses his writer's imagination to help figure it out.
There probably are. Fanfiction is a great way for fans to expand on the storylines they love. In the case of Castle, the relationship between Castle and Beckett was a big part of the show. A pregnancy storyline for Beckett could add a whole new layer of drama and character development. You might have to do some searching through different tags on fanfic sites to find ones specifically about Beckett being pregnant.