The OC could be a new recruit in the police force where Jamie works. They get paired up on a difficult assignment and have to learn to work together. Along the way, they face challenges both in the case and in their personal relationship, like differences in their approaches to policing. For example, the OC might be more by - the - book while Jamie is more instinctive. As they overcome these differences, a romantic connection begins to form.
A simple title could be 'Jamie Reagan and the OC: An Unlikely Bond'.
In a fanfiction plot, Jamie could be kidnapped by a deranged fan of one of his cases. This person idolizes the criminals he's caught and wants to make Jamie pay. The Reagan family races against time to find him before the kidnapper's twisted plan is carried out. Meanwhile, Jamie tries to use his wits and training to escape or at least hold out until rescue comes.
A great Jamie Reagan OC fanfiction often has a well - developed original character. The character should have a unique personality and backstory that fits well within the Blue Bloods universe. For example, if the OC is a love interest for Jamie, their relationship should develop in a believable way.
You can start by looking on fanfiction platforms like Archive of Our Own (AO3). It has a large collection of fanfics from various fandoms, including those related to Jamie Reagan. Another option is FanFiction.net. Just search for 'Jamie Reagan OC' on the search bar, and you'll get a list of relevant stories.
Perhaps an escaped convict who has a grudge against the Reagan family in general and sees Jamie as an easy target. This convict might be looking to use Jamie as a bargaining chip to get out of the country or something similar.
Some popular Jamie Reagan fanfiction stories might involve him taking on heroic roles in different scenarios. He could be the one to solve a major crime that the whole precinct has been struggling with. In some fanfictions, he might also be involved in community service - based stories, where he uses his position and skills to help the local neighborhood in ways that the show might not have explored yet.
One common plotline could be Jamie getting hurt during a dangerous police operation. For example, he might be chasing a suspect in a rough neighborhood and get injured while trying to make an arrest. Another plotline could involve him being hurt in a car accident while on duty, which then leads to his fellow officers rallying around him. There could also be a plot where Jamie is hurt by an unexpected betrayal from someone he trusts within the police force, which then delves into his emotional turmoil as he recovers.
You can start by looking on fanfiction - specific websites such as Archive of Our Own (AO3). It has a large collection of fan - created works, and you can search for Jamie Reagan fanfiction there. Another option is FanFiction.net, which also has a wide range of stories. Just use the search function on these sites and type in 'Jamie Reagan' to find relevant fanfictions.
One plot idea could be that the OC is a mechanic who gets caught in the middle of a rivalry between Sideswipe and Sunstreaker. They both start to develop feelings for the OC as she works on their vehicles and helps them in battles. Another idea is that the OC is a human with a special ability that the two Autobots need to protect, and in the process, a love triangle forms. A third idea could be that the OC is from a different planet and has a unique cultural background that fascinates Sideswipe and Sunstreaker, leading to a complex relationship among them.
One idea could be that the OC is a mermaid and she accidentally saves Poseidon from a magical trap. Their relationship starts from there as Poseidon is intrigued by her kindness. Another plot could be the OC is a human who washes up on a secret island where Poseidon often visits. They gradually fall in love as she shows him the beauty of human emotions. A third plot could be that the OC is a goddess - in - training and Poseidon is assigned to be her mentor, but they end up falling for each other instead of just having a mentor - mentee relationship.