Who could be the main characters in a 'beckett baby kidnapped fanfic'?

The kidnapper could be an estranged family member of Beckett. There might be some family feud or inheritance issue that leads them to believe that by kidnapping the baby, they can gain an upper hand. Or it could be a completely random person who has a mental disorder and randomly targeted Beckett and the baby because they saw them as an easy target.

One possible plot for a 'beckett baby kidnapped fanfic' is that the kidnapper leaves behind strange clues. These clues lead the family and the authorities on a wild goose chase at first. As they start to piece things together, they realize that the kidnapping is part of a larger conspiracy. The family has to face many challenges and overcome their own personal demons while trying to get the baby back.

It could be a jealous rival from his past. Maybe someone he outperformed in a competition or a former acquaintance who has a grudge against him.

Obviously, Beckett would be the main character. But there could also be a hotel concierge who plays an important role. The concierge could be someone who is either very helpful to Beckett, guiding him around the hotel and the local area, or someone who is a bit of a troublemaker, causing difficulties for Beckett during his stay.

A coworker who has a crush on Beckett might be a main character. They could be the one who stays by Beckett's side the most during his recovery, and this could lead to a romantic sub - plot.

The main character could be an ordinary citizen who just happens to be in the wrong place at the wrong time and gets kidnapped. For example, a tourist visiting America.

His doctor could be a main character. The doctor could be portrayed as a very dedicated and empathetic person, constantly providing Beckett with hope and medical advice. For instance, the doctor might have to break some tough news to Beckett about the risks of the transplant, but also encourage him to stay positive.

It could be a criminal mastermind who has a vendetta against Beckett or someone close to her. This antagonist might see the baby as a way to get back at Beckett, either by using the baby as bait or harming it to cause her pain.

Beckett is the central figure here as the story revolves around her being hurt in the line of duty. Castle, her partner and love interest, would play a significant role. Additionally, the captain of the precinct might be a main character as he would be involved in the decisions regarding Beckett's situation, such as her leave of absence and the investigation into her injury.

A Castle and Beckett baby fanfic could be about their journey into parenthood. It might explore how they adjust to having a baby in their lives. For example, Castle could be super excited and start writing new stories inspired by his new family experience, while Beckett might be a bit more cautious and protective.