One idea could be that a Hogwarts student runs away and ends up in New Orleans. The NCIS agents then have to figure out what to do with this strange kid who has magical powers. Another could be that a dark wizard from the 'Harry Potter' world is causing trouble in New Orleans, and the NCIS team has to team up with some friendly wizards to stop him.
Well, here's an interesting plot. A new type of crime starts happening in New Orleans that seems to have no logical explanation. It turns out that a group of rogue wizards from the 'Harry Potter' world are using their magic for illegal activities. The NCIS team has to learn about the wizarding world quickly in order to stop them. Also, imagine if some of the 'Harry Potter' characters were undercover in New Orleans, working with the NCIS to keep an eye on any potential magical threats in the muggle world. This could lead to a lot of interesting character interactions and plot twists.
A unique plot could be that a magical artifact from the 'Harry Potter' world is stolen and ends up in New Orleans. The NCIS agents start investigating it, not realizing it's magical at first. As they dig deeper, they get in touch with the wizarding world. Or perhaps a spell gone wrong transports some of the NCIS agents to Hogwarts, and they have to navigate the magical world while also trying to find a way back home. They could use their investigation skills in the strange new environment.
There are definitely some out there. In some fanfictions, the technology and investigation methods of 'NCIS New Orleans' might be pitted against the magical abilities in 'Harry Potter'. The agents could be baffled by the appearance of magic in their world, while the wizards and witches might be intrigued by the muggle technology. It's a really creative concept, and many fanfiction authors have explored it in different ways. You can try searching for specific tags on fanfiction platforms to narrow down your search for these crossovers.
Another plot could involve a crossover of villains. A dark wizard from the Harry Potter universe teams up with a criminal that the NCIS has been chasing. Harry Potter and the NCIS agents then have to join forces to stop this unholy alliance. They would need to combine their skills, with the wizards using magic and the agents using their detective and combat skills.
One idea could be that the NCIS team is called in to investigate some strange magical occurrences in the wizarding world. Maybe they think it's some new form of high - tech weaponry at first but then realize it's magic. Another could be that Harry Potter and some of his friends end up in the NCIS world and have to work with the team to solve a mystery that involves both magic and muggle technology. For example, a dark wizard is using muggle technology to enhance his magic and they need to stop him.
In this fanfiction, Harry could be on a quest related to some ancient magic that is tied to New Orleans. He may end up getting involved with the local magical community's power struggles. For example, there could be a fight over a powerful voodoo talisman, and Harry's skills from his Hogwarts days come in handy to help resolve the situation. Also, he might start to learn about the unique magical creatures that are native to the area.
Some of the good NCIS New Orleans fanfiction are the ones that involve crossovers. Imagine a story where the NCIS New Orleans team teams up with another well - known crime - solving unit from a different show. It could bring in new elements and fresh perspectives. Also, fanfictions that deal with how the characters handle personal losses during their work are quite engaging.
Perhaps in this fanfiction, there could be a group of magical bats that are guardians of an ancient Hogwarts secret. Harry, as he befriends them in his bat form, gets drawn into this mystery. These bats could have their own language and culture that Harry has to learn. For example, they might communicate through a series of ultrasonic sounds that only a bat - like Harry - can understand. This could lead to a whole new adventure for Harry, separate from the main battles against Voldemort but still relevant to the overall protection of the wizarding world.
One unique plot idea is time - travel. For example, a character going back in time to change a crucial event in the wizarding world. Another is the idea of a Muggle - born wizard creating a new form of magic that combines Muggle technology and wizardry. And there are also stories where characters from different Hogwarts houses have to team up in unexpected ways to face a common threat.
A plot idea could be that a group of Hogwarts students accidentally travel to the Avatar world. They are then forced to learn bending in order to survive and find their way back home. Along the way, they discover that there are some similarities between magic and bending, like how both require focus and discipline.
A lesser - known but really well - written one is 'Uniting for a Common Cause'. This fanfiction focuses on a cyber - crime case that spans across the jurisdictions of both NCIS and NCIS New Orleans. The way the author weaves the technical aspects of the case with the character interactions is quite engaging.
Another feature is the opportunity to explore different versions of the characters. In 'harry potter crossovers fanfiction', authors can take a character like Hermione and give her a completely different backstory or personality. Maybe she's a more rebellious Hermione in a crossover with a dystopian world. This gives readers a fresh perspective on the familiar characters.