Maybe the marriage law causes chaos in the wizarding world and Fred and Hermione, being the smart and resourceful ones, decide to use this situation to their advantage. They could start a business together, using their combined skills in magic and charm, all while dealing with their new 'forced' relationship. They gradually fall in love as they face challenges side by side.
One possible plot is that Fred and Hermione accidentally meet at a wizarding club. They start to have a connection there, but then realize that the marriage law in the wizarding world has some restrictions that could affect their potential relationship. They then decide to find a way around these restrictions, which could involve seeking help from other magical beings or researching ancient magic laws.
One interesting plot could be the challenges they face in a world where a marriage law forces them together. Maybe they start off disliking each other but gradually find common ground through their shared love for magic experiments. For example, Hermione's organized approach and Fred's creative chaos in the lab could lead to some hilarious and heartwarming moments as they learn to work together in their new 'married' situation.
Another plot could be centered around the challenges they face in their relationship due to the sudden nature of the marriage law. They might have different lifestyles. Fred is more carefree and loves to have fun, while Hermione is more studious. But as they spend time together, they learn from each other. Fred helps Hermione loosen up a bit, and Hermione encourages Fred to be more responsible, which in turn strengthens their bond.
There could be various interesting aspects in such a fanfiction. It might explore how Fred and Hermione's relationship develops in a clubbing scenario within the context of the wizarding world's marriage law. Maybe it shows how they navigate the legal and social implications of their relationship while enjoying the nightlife at clubs. It could also introduce unique magical elements related to clubbing and marriage in the story.
A different plot might be that Hermione is paired with a character who has a dark past. The Marriage Law becomes a way for this character to redeem themselves. Hermione helps the character come to terms with their past mistakes, and in the process, they fall in love. This could show how love can be found in the most unexpected situations under the duress of the Marriage Law.
One plot idea could be that the Marriage Law forces Hermione and Blaise together. At first, they are very reluctant and constantly bicker. But as they get to know each other's intelligence and hidden depths, they start to develop a grudging respect. Eventually, they find common ground in their love for knowledge and magic, and their relationship evolves into a real marriage.
One idea could be the forced marriage leading to a power struggle within the Death Eater ranks. Hermione, with her intelligence, might try to outwit Bellatrix and use the situation to gather intelligence for the Order. For example, she could pretend to be compliant while secretly passing on information.
Maybe in the fanfiction, the marriage law is a ploy by a dark wizard to disrupt the order in Hogwarts. Hermione and Minerva have to pretend to be happily married to fool the enemy. During this time, they learn about each other's insecurities and strengths. Hermione might introduce Minerva to some modern Muggle concepts that could be useful in their fight against the dark forces, and their relationship gradually turns into a real and deep connection.
One idea could be that the marriage law forces Hermione and Kingsley together, but at first they are resistant. However, as they start to get to know each other, they discover they have a shared love for justice and protecting the wizarding world. They then work together on various cases, gradually falling in love along the way.
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.