Another idea is that Hook and Belle get transported to an alternate realm. In this realm, they are the only ones who remember their true selves. They must work together to find a way back home while also dealing with the power struggles in this new world. The people in the alternate realm see them as either saviors or threats, and they have to convince the rulers to let them use the magical portal that can send them back.
One plot idea could be that Hook and Belle team up to find a lost magical artifact. They start off as reluctant partners, Hook being more of a scoundrel and Belle the book - loving intellectual. But as they face various challenges together, like fending off dark magic creatures and solving ancient riddles, they develop a mutual respect. Eventually, they discover that the artifact has the power to rewrite a part of their pasts they both regret.
Maybe a plot where Belle is cursed and Hook is the only one who can break it because of a special connection he has with the source of the curse. Hook initially doesn't believe he can do it, but Belle's faith in him makes him try. Along the way, they explore an enchanted forest filled with strange beings and have to rely on Hook's survival skills and Belle's knowledge of magic lore.
One plot idea could be that Gaston has a change of heart after Belle rejects him. He starts to see the error of his ways and tries to become a better person. Maybe he helps Belle with some tasks in the village, gradually winning her respect if not her love.
A plot idea could be that Emma has prophetic dreams about the baby's future during her pregnancy. These dreams might show the baby having a great and important role in the magical world. Hook then becomes determined to make sure the baby can fulfill this role safely. Another idea is that a dark force tries to possess the unborn baby, and Hook and Emma have to find a way to prevent it, maybe by seeking help from Regina who has experience with dark magic.
One idea could be that Rumple and Belle go on a magical journey to find a lost artifact that can break a dark curse on their land. Along the way, they face various challenges that test their relationship and their individual strengths.
A plot could involve Emma having difficulties with her pregnancy due to her being the Savior and all the magic in her. Hook is overprotective and tries to find ways to ease her pain. Meanwhile, they learn that there are prophecies about their child that lead them on a journey to different realms to protect the baby's future.
One idea could be that Belle and Anna, both orphans, meet in a magical forest. They discover they have a shared ability to communicate with forest spirits. Together, they embark on a journey to find a hidden library that is said to hold the secrets of their pasts. Along the way, they face challenges from an evil sorcerer who wants to stop them from reaching the library.
Love and friendship are also big themes. Some fanfictions explore a romantic relationship between them, while others focus on the deep friendship that can develop. They both have strong personalities, and seeing how they interact and support each other in different situations is a central part of these stories. There are often scenes where they confide in each other about their past traumas or their hopes for the future, which really builds on the themes of love and friendship.
A possible plot could be Belle's pregnancy being a target for the villains in the Once Upon a Time world. They might see the unborn child as a powerful asset or a threat. This could lead to Belle having to go into hiding and relying on unexpected allies for protection. It would also show her strength and determination to protect her baby at all costs. Additionally, the fanfic could explore how the different realms in Once Upon a Time react to the news of Belle's pregnancy. Some might see it as a sign of hope, while others could be envious or fearful.
One popular plot idea is a love triangle between Hook, Tinkerbell, and another character, often a main character from the show. This creates a lot of drama and tension.
There's a fanfiction called 'Hook's Redemption through Belle'. In this story, Belle helps Hook to overcome his past demons. It's quite engaging as it shows how their different personalities complement each other. The writing style is also very vivid, making it easy to get lost in the story.
One idea could be exploring the backstories of the lost boys in more detail. Maybe one of them has a hidden connection to a character from the outside world. Another plot could involve a new villain coming to Neverland who has a different kind of magic that challenges Peter Pan. Also, a story about Wendy's granddaughter returning to Neverland to find a lost family heirloom could be interesting.