I'm not sure if there's a specific fanfic where Catherine is pregnant in 'Hawaii Five - 0'. Fanfics can vary greatly, and it would depend on the creativity of the individual fanfic writer.
One great fanfic idea could be Steve going on a solo mission to rescue a kidnapped scientist. He uses his combat skills and sharp intellect to track down the bad guys. It could involve intense fight scenes and some clever detective work.
Steve McGarrett is a great character to focus on. He's the leader of the team, with a strong sense of justice and a lot of backstory to explore, like his military past. Another good one is Danny Williams. His banter with Steve adds humor to the show, and his family - man side gives room for some emotional depth in a fanfic. Kono Kalakaua is also interesting. She's a strong female character with her own set of skills and a connection to Hawaiian culture that can be delved into.
One possible plotline could be how the team reacts. They might be overprotective of her, or there could be concerns about her ability to continue her work. For example, Steve might be extra cautious around her.
There could be a fanfiction where Catherine's pregnancy adds a whole new layer of drama to the Hawaii Five 0 story. Maybe she has to balance her duties with her pregnancy, or there could be threats to her and the baby. It could also explore how the team members react to her pregnancy, like Steve being overprotective.
One possible plot could be that her death sets off a chain of events that forces the Five - 0 team to re - examine past cases. Maybe she was involved in something that they didn't fully understand, and her death reveals hidden secrets. For example, she might have been in contact with an old enemy of the team, and that connection comes to light only after she dies.
One interesting concept could be the merging of different storylines from 'Hawaii Five - O' with other shows or universes. For example, a crossover with a crime - solving show from a different era might bring in new detective techniques and character dynamics. Another concept could be the introduction of new characters into the 'Hawaii Five - O' world through the crossover, which can create fresh conflicts and relationships. It might also involve exploring different locations that are not typically associated with 'Hawaii Five - O' in a crossover scenario.
There could be a fanfic where Steve and Kono's relationship takes a new turn with a pregnancy. It might explore how they deal with the unexpected news. Maybe Steve is initially shocked but then becomes super protective, while Kono is determined to continue her work while also preparing for motherhood.
Well, you could write a fanfic where there's a new villain in town who has a personal vendetta against the Hawaii Five - 0 team. This villain is using high - tech gadgets to commit crimes and the team has to figure out how to stop him. Or perhaps a fanfic that takes place during a big festival in Hawaii and there are a series of crimes that seem related to the event. It could also be interesting to write about a time - travel scenario where a member of the team goes back in time and has to make sure certain events happen to prevent a future disaster.
Steve could be framed for a crime he didn't commit. He then has to clear his name while being hunted by the very people he once worked with. It would be a thrilling plot with lots of twists and turns.