A plot could revolve around a mystery in Little Lamplight. For example, there are strange disappearances of some of the children. A brave kid decides to investigate and discovers that there is a hidden group in the nearby ruins that has some connection to Little Lamplight's past. This group might be trying to reclaim something that was lost long ago.
One interesting plot could be a young adventurer from Little Lamplight leaving the safety of the place to explore the wasteland and their encounters with various creatures. They might find an old pre - war technology that could potentially change the fate of Little Lamplight.
Then there's MacCready. He has a bit of a rough exterior but a good heart. In a Little Lamplight fanfiction, he could be a mentor - like figure to some of the kids, teaching them how to defend themselves better or sharing his knowledge of the wasteland. His presence can add an element of danger and adventure as he might attract unwanted attention from his past enemies.
Perhaps a plot where the little samurai has to protect a village from a group of bandits. He uses his unique skills and courage to defend the innocent villagers. In this process, he also grows as a person and as a samurai. He might make new friends among the villagers and they help him in unexpected ways during the battle.
Well, one interesting plot could be the little lioness's journey to find her place in the pride. She might face challenges from other lions who don't accept her at first.
In some fanfictions, the plot might revolve around the father of the baby. If the identity of the father is a mystery, it could lead to a lot of drama. Sarah might go on a journey to find out who he is. Also, her pregnancy could be a symbol of hope in the desolate world of Fallout 3, and the story could focus on how she spreads that hope among the other survivors.
A possible plot is that Renesmee gets into trouble with some vampires who don't trust her because of her unique nature. Jacob steps in and tries to make peace between them. He uses his relationship with Renesmee and his standing among the Quileute to negotiate a truce, all while their bond grows stronger in the face of the conflict.
One interesting plot could be Elsa and Anna going on a magical adventure outside of Arendelle. They might discover a hidden land filled with unique creatures and have to use their sisterly bond and powers to overcome challenges there.
One interesting plot could be Hisoka's sister getting involved in the Hunter Exam. She might use her unique skills, perhaps some that are similar to Hisoka's but with her own twist, to navigate through the challenges. For example, she could have a special ability to read opponents' intentions like Hisoka, but she uses it in a more empathetic way to avoid fights when possible.
Another plot could revolve around how the pack reacts to Paul's imprinting on a little girl. Some might be confused or even a bit skeptical at first. But as they see the positive changes in Paul and the little girl's life, they come to accept it. And there could be a sub - plot about how the little girl gradually becomes part of the pack's world.
One interesting plot could be that Gaara's little sister has a special power that she has to keep hidden from the village at first. This creates a lot of mystery and tension as she tries to navigate her life without being discovered.
Well, in some haruhi has a little brother fanfiction, the little brother could be the one who discovers a mystery that Haruhi and her friends are oblivious to. He then has to convince them that there is something strange going on. It could also be that the little brother has a different view of the world compared to Haruhi, and through their interactions, Haruhi starts to see things from a new perspective. Maybe he's really into music and introduces Haruhi to a whole new genre that she ends up loving and incorporating into the club's activities.