They could also be humans in a world where there are still some animal - like qualities. For example, Nick has a really good sense of smell like his fox self in Zootopia. They are hired to find a missing person who has some connection to a secret animal - human hybrid experiment. This would bring in elements of mystery, adventure, and their unique relationship.
Another plot could be that they discover a secret society within Zootopia that is trying to create a divide between predator and prey again. Nick and Judy must work undercover to expose this group and restore harmony. They face many challenges as they try to gain the trust of the members without blowing their cover.
One idea could be that the human is a lost traveler who accidentally ends up in Zootopia. Nick and Judy are initially very suspicious but then realize the human is harmless. They have to figure out how to get the human back to their own world while also hiding the human's presence from the other animals who might panic.
A plot idea could be that they find out they are having twins. This doubles the excitement and also the challenges. They might struggle to come up with two names that represent both their fox and rabbit heritages. Another idea is that during the pregnancy, there is a mystery in Zootopia that they can't help but get involved in. Even though Judy is pregnant, she is still determined to solve it, and Nick is constantly worried about her safety while also trying to solve the mystery himself.
One plot idea could be that Nick and Judy are still young and they participate in a junior detective competition in Zootopia. They have to solve a mystery about the disappearance of a rare flower that is important for a certain species' ritual. Along the way, they face challenges from other competing teams and also learn more about each other's strengths and weaknesses.
One idea could be that Judy and Nick are partners in a detective agency in a big city. They have to solve a mystery involving a series of art thefts. Their different backgrounds, Judy's from a rural area and Nick's city - bred, add to the dynamic as they interview suspects and follow leads.
One idea could be that Judy and Nick have to go undercover as a couple in a new part of Zootopia to solve a mystery. As they pretend to be in love, they start to realize their real feelings for each other. Another could be a story where they face opposition from their families about their relationship because they are different species, but they fight for their love.
Perhaps they are neighbors in an apartment building. At first, they don't get along because of their different personalities. But then they get involved in a community project, like trying to save a local park from being demolished. Through this, they learn to understand and appreciate each other.
Well, it could be that a lemon - scented perfume is causing strange behavior among the animals in Zootopia. Nick and Judy have to track down the source of this perfume. As they do, they get into some comical situations. For example, Nick's nose is so sensitive to the lemon smell that he keeps sneezing and Judy has to keep him on track. In the end, they find out it was an accidental creation by a clumsy chemist animal.
One interesting storyline could be Nick and Judy raising their baby in Zootopia while facing the challenges of different species' parenting styles. Their baby might inherit traits from both fox and rabbit, creating unique situations.
Well, a great plot for 'human in Zootopia' fanfiction could be a human journalist who travels to Zootopia to do an exposé on the city. He initially has some biases and preconceived notions about a world run by animals. But as he delves deeper, he realizes how complex and wonderful Zootopia really is. He could interview different animals, from the smallest shrew to the largest elephant, and learn about their lives, dreams, and struggles. This would not only change his perspective but also help him to write a story that shows the world that Zootopia is a place full of hope, despite the differences between species. It could also explore how the animals in Zootopia view humans, whether they are seen as a threat or as a potential ally in a larger world.