A really interesting plot could be that right before the wedding, a dark wizard from Ron's past tries to disrupt it. Hermione and Ron, along with their friends, have to fight off the threat while still making sure the wedding goes on as planned. It would add a lot of action and adventure to the fanfiction.
One idea could be that during the wedding preparations, Ron gets really nervous and starts making a mess of things. For example, he accidentally turns Hermione's carefully chosen wedding dress pink with a wrong spell. Another could be that all their Hogwarts friends come together to create a magical surprise for them at the wedding. Maybe they create a unique constellation in the sky above the venue that represents their love story. Also, a plot could involve some kind of mystery or challenge they have to face right before the wedding, like a dark magic threat that they need to overcome together as a couple to prove their bond.
A great plot for Harry and Hermione's wedding fanfiction could be that they face some sort of dark magic threat right before the wedding. They have to use their combined skills and the help of their friends to overcome it. Then, the wedding becomes not just a celebration of their love but also a victory over evil. For the actual wedding, Hermione could wear a dress that has some magical properties, like changing colors to match her mood, and Harry could have a special wand that he uses to create a unique display of magic during the ceremony.
A great idea could be to focus on Hermione's nerves. Since she's always been so logical and in - control, the idea of this very emotional and intimate night could make her a bit jittery. Ron, on the other hand, would be trying his best to make her feel comfortable. He could start by complimenting her dress and how beautiful she looks.
One plot idea could be that Ron and Hermione accidentally discover a hidden passage in the Chamber of Secrets that leads to an ancient wizarding library. In this library, they find a spell book that has the power to reverse dark magic spells, which becomes crucial in fighting the basilisk's venom. Another idea is that they get trapped in a part of the Chamber that has a time - warp effect, and they have to figure out how to get back to their own time while also dealing with the threats within the Chamber. And a third idea could be that Hermione gets cursed by a relic in the Chamber, and Ron has to go on a solo quest to find the antidote while also protecting Hermione from the lurking danger of the Chamber's secrets.
One idea could be exploring how they handle their kids' magical education. Maybe one of their children has a special ability that requires unique teaching methods. Another could be a story about a family vacation where they visit a new and mysterious magical place and encounter various adventures. Or perhaps a plot where they have to deal with an old enemy from their Hogwarts days who resurfaces and targets their family.
One idea could be that Ron and Hermione accidentally stumble upon a secret passage in Hogwarts while investigating the mystery of the Prisoner of Azkaban. This passage could lead them to a hidden chamber where they find clues about Sirius Black that no one else has discovered yet.
One plot idea could be that Hugo has a unique connection to time - turners. Since Hermione was so involved with time - turners in the past, Hugo might inherit some strange ability related to them. Maybe he accidentally sends himself back in time and Ron and Hermione have to figure out how to get him back.
A possible plot is that they are in bed and start arguing about a minor thing like who left their wand on the wrong side of the bedside table. But then it turns into a playful banter and then a passionate moment as they realize how silly the argument was. Another idea is that they are in bed getting ready to go to sleep and they start talking about their families. Hermione tells Ron about her Muggle parents and how she misses them sometimes, and Ron shares stories about his large family at the Burrow. This conversation deepens their bond as they fall asleep in each other's arms.
Well, perhaps in the fanfiction, Ron and Hermione discover that Rose has some unique magical abilities even before she is born. This causes a stir in the wizarding world, and they have to deal with unwanted attention from the Ministry of Magic. At the same time, they are also trying to balance their normal lives, like Ron still working at Weasley's Wizard Wheezes and Hermione doing research at the Ministry. They have to find a way to protect their family while also living their lives.
In this fanfiction, a great plot could be that Ron and Hermione discover some ancient magic related to their pregnancy that has ties to Hogwarts' history. As they explore this, they learn more about themselves and their relationship. Also, they could struggle with how to tell their families, especially since they're still at school. Ron might be worried about his mother's reaction, while Hermione might be concerned about how her Muggle parents will take the news. They'd have to navigate all these emotions while still being students at Hogwarts.