A plot could involve Renesmee's love life. Since she is a special being, finding a suitable partner would be difficult. It could be a story of her falling in love with a human who is initially afraid of her but gradually comes to accept her. Edward and Bella would be there to guide her through this new experience, while also being protective. Or perhaps a plot where Renesmee discovers a hidden power within herself that has been passed down from an ancient vampire ancestor, and she has to learn to control it with the help of Edward and Bella.
Maybe a plot where Renesmee has to face some sort of vampire - human conflict that her parents once faced, but in a different context. Since she is part - vampire and part - human, she could be a bridge between the two worlds and strive to bring peace. She could use her understanding of both sides to defuse tense situations.
Another plot could revolve around Bella, Edward and Renesmee going on a journey to discover more about Renesmee's origins. They could meet other hybrids or ancient vampires who have knowledge about her kind. This would not only be an adventure but also a way for the family to bond more.
One interesting plot idea could be Renesmee growing up and facing the challenges of being a half - vampire in the human world. Maybe she tries to fit in at school but her special abilities keep getting in the way. Another could be Edward's struggle to protect Renesmee from the Volturi while also allowing her to have a normal life. For example, he has to decide how much to shelter her from the vampire world's politics.
One interesting plotline could be Renesmee's journey as she grows up in a world full of vampires and werewolves. For example, she might struggle to find her place among the two groups and also in the human world she has a connection to. Another could be a story where Bella and Edward face a new threat that endangers their family and they have to rely on Renesmee's unique powers to overcome it.
One idea could be that Edward is a criminal on the run and Bella, a journalist, is trying to expose his crimes but ends up falling in love with him. Another could be Edward as a criminal mastermind who recruits Bella into his world of crime. Maybe Edward is wrongly accused of a crime and Bella helps him prove his innocence while they face many dangerous situations together.
One interesting plot idea could be a love triangle where both Edward and Emmett are vying for Bella's attention in a more complex way than in the original story. Maybe there are external forces at play that make Bella question her feelings for both of them.
Well, perhaps in this fanfiction, the shower is a place where they find a magical or symbolic element. It could be that the water has some sort of special property that helps Edward control his thirst for Bella's blood in a new way. Or, the plot could revolve around them getting into an argument in the shower, which then leads to a passionate reconciliation as they realize how much they mean to each other and how they need to communicate better.
Perhaps in the fanfiction, Bella is also in prison for some unjust reason. Edward, being a vampire, has to use his special abilities secretly to protect her from the other inmates. He could be using his mind - reading skills to anticipate threats.
There's a concept where Bella, Edward, and Renesmee live in a world where vampires and humans co - exist peacefully. But then a new threat emerges that wants to disrupt this peace. The fanfiction explores how they fight for their idyllic world and the sacrifices they are willing to make for it. It's different from the usual vampire - human conflict scenarios in most fanfictions.
I really like 'A New Beginning for the Cullens'. In this fanfic, it shows how Bella, Edward, and Renesmee face new challenges together. It has some really interesting plot twists that keep you hooked. The author does a great job of portraying the characters' emotions, especially Renesmee as she tries to understand her place in the vampire - human - hybrid world.