Well, you can try searching on fanfic websites like Archive of Our Own. There might be some hidden gems there. Just use the relevant tags like 'NCIS LA', 'O'Neill', 'sister', and 'Granger's daughter' to narrow down your search.
I'm not sure if there are very well - known specific fanfics on this exact topic. However, you could also check out some NCIS LA fanfic communities on social media platforms. People often share their favorite fics or even write new ones based on requests. You might get lucky and find a great one about these characters.
One possible plotline could be that O'Neill's sister gets involved in a case that Granger's daughter is also working on. Maybe they start off on the wrong foot but then gradually learn to work together and in the process, O'Neill has to play mediator between them.
One great NCIS LA Hetty Daughter OC fanfic is 'The Hidden Legacy'. It delves deep into the character of Hetty's daughter as an original character. The story is filled with intrigue as she gets involved in the NCIS LA operations in a unique way. It has great character development and a plot that keeps you hooked from start to finish.
Some popular Carter O'Neill fanfics can be found on major fanfic platforms. You could start by looking on Archive of Our Own. There might be adventure - themed ones where Carter and O'Neill go on daring quests across different galaxies, or character - study type fanfics that delve deep into their personalities and relationships.
In fanfic, she could also be a bit of a rebel. Tired of living in her father's shadow, she might try to carve out her own identity in the NCIS world. This could lead to some interesting conflicts, both with her father and with the other characters in the story.
One possible storyline could be her following in her father's footsteps in the world of NCIS. She might start as an intern or a new recruit, facing challenges and making friends along the way. Another could be a story where she gets involved in a mystery that is somehow related to her father's past cases, using her own skills and knowledge to solve it.
One place to find such fanfiction could be Archive of Our Own (AO3). There are often many creative crossovers there. Just search for 'Hawaii Five O NCIS LA crossover' on the site and you'll likely discover a bunch of interesting stories written by fans who love both shows.
Perhaps a fanfic where Hetty's sister is an old acquaintance of one of the NCIS LA agents. She shows up with a mystery from their past that they all have to solve together. This could lead to flashbacks and revelations about the agent's early days, and how Hetty's sister was a part of it all.
One popular NCIS and NCIS LA crossover fanfiction is 'Combined Forces'. It brings together the characters from both shows in an exciting case that spans across the two teams' jurisdictions. The story does a great job of capturing the personalities of each character, like Gibbs' no - nonsense attitude and Hetty's mysterious allure.
One popular chris o'neill fanfic could be 'The Adventures of Chris O'Neill'. It might focus on his heroic deeds in a fictional world. Another could be 'Chris O'Neill: A New Beginning' which might explore his character in a different setting, perhaps a post - apocalyptic world where he has to lead and survive. There could also be fanfics that center around his relationships, like 'Chris O'Neill and His True Love' which delves into his romantic side.
Sure. One popular tony d o'neill fanfiction might be 'The Adventures of Tony D O'Neill' which follows his fictional escapades in a magical world. Another could be 'Tony D O'Neill: The Hidden Past' that delves into his character's backstory in an interesting way.