One idea could be that due to the marriage law, Draco and Ginny are forced together. At first, they are hostile towards each other because of their past differences. Draco's pure - blood pride clashes with Ginny's Weasley independence. But as time goes on, they start to see the good in each other. For example, Draco realizes Ginny's bravery and Ginny sees that Draco is not as bad as she thought.
Maybe in the fanfiction, the marriage law is a political move. Draco and Ginny have to navigate the political implications of their union. They might have to deal with the reactions from both the Malfoy and Weasley families. Draco could be trying to protect Ginny from the more malicious pure - blood families who don't like the idea of a Malfoy marrying a Weasley. And Ginny could be using her Gryffindor courage to stand up to those who oppose their marriage.
One idea could be that the Marriage Law forces them together, but at first they are hostile towards each other. Draco is still stuck in his pure - blood supremacist ways and Ginny is a fierce defender of the Weasley values. However, as they are forced to live together, they start to see the good in each other. For example, Ginny realizes that Draco is not as bad as she thought when she sees him being kind to a house - elf. And Draco discovers Ginny's strength and courage, which he starts to admire.
In some fanfictions, the marriage law plot leads to a situation where Ginny and Draco have to navigate the complex politics of the wizarding world together. Their marriage becomes a symbol of unity between different factions. They might face opposition from both the Weasley family and the Malfoy family, but they find common ground in their desire to change the old ways of thinking in the wizarding community.
Well, a great plot idea could be that they are paired by the Marriage Law and have to pretend to be a happy couple in public for some political or social reasons in the wizarding world. But in private, they are constantly bickering. As time goes on, they find that they can't help but fall for each other. They might also face challenges from Draco's old Death Eater associates who don't approve of his union with Hermione.
One idea could be that the marriage law forces them to live together and they initially clash due to their different backgrounds. But as they get to know each other's true selves, they start to respect and even fall in love. For example, Hermione might introduce Draco to the value of Muggle - born magic and he could show her some of the more complex pure - blood magic traditions in a new light.
Maybe the marriage law causes a stir in the wizarding world. Draco and Hermione initially resist but then realize that for the sake of the baby, they need to make it work. The baby might be born with a special gift that is a combination of the Malfoy and Granger magic. They could have to deal with Draco's family not accepting Hermione at first, but the baby becomes the bridge that brings them all together in the end.
One idea could be that their children inherit a mix of their magical abilities. For example, having Draco's skill in potions combined with Ginny's talent for charm work. Another plot could involve their children facing a new dark threat at Hogwarts and having to use their unique family heritage to fight it. Maybe they have to deal with a new type of dark magic that is a combination of old pure - blood magic and some forgotten spells.
One interesting plot twist could be that Draco and Ginny initially resist the arranged marriage but then find common ground in their shared love for a particular magical art, like potions. They start working together secretly on new potion recipes and gradually fall in love. Another twist could be that there is a mystery surrounding the arranged marriage, like it was actually set up by an enemy to cause chaos in the wizarding world. As they dig deeper, they uncover a conspiracy and have to work together to stop it. And a third plot twist might be that Ginny discovers she has a long - lost relative who is related to Draco's family, which changes their perspective on the arranged marriage completely.
A plot could involve a character who is forced into a marriage due to some archaic part of the marriage law. The story could be about their struggle to break free and change the law for others in the same situation. They might meet an attorney who is also an advocate for marriage law reform and together they start a campaign. This would involve researching different cases, gathering evidence of the law's negative impacts, and presenting it to lawmakers. There could be a lot of drama as the character's family and the establishment try to stop them from making changes.
One idea could be exploring their wedding planning and all the chaos that comes with it. Maybe Molly Weasley is over - involved and wants everything to be perfect, while Ginny just wants a simple ceremony. Another could be their first year of marriage, dealing with things like living together in a new home and adjusting to each other's habits.
One interesting plot point could be how Ginny and Snape initially react to the marriage law. Ginny might be in shock and disbelief as she has had no prior romantic feelings for Snape. Snape, on the other hand, might be conflicted between his loyalty to the law and his own complex emotions. Another point could be how they navigate their relationship in the wizarding society that is likely to be full of gossip and judgment.