After being caught, they could be forced to keep their relationship more low - key for a while. This might involve sneaking around more carefully. They may also have to deal with the opinions of others, like Harry having to face the Weasley family's concerns about their relationship. Ginny would have to assure her family that Harry is the right person for her.
The plot could take a turn towards more secrecy. After being caught by Bill, Harry and Ginny might become more cautious. They would try to find better places to be alone and avoid getting caught again.
In some fanfictions, it could be that they are caught by Hermione and Ron, which leads to a lot of teasing and awkward moments. For example, Ron might make a big fuss about it while Hermione tries to be more diplomatic.
Ginny might be extremely embarrassed. She would probably blush deeply and try to hide behind Harry at first.
There could be a new character introduced who helps Harry get over Ginny. This new character could be a friend or a potential love interest. Meanwhile, Ginny might face her own challenges in her new life, like dealing with the guilt of leaving Harry or facing some new enemies. As the story progresses, there could be a possibility of them reconciling or moving on completely from each other, depending on the direction the fanfiction author wants to take.
The story may develop in a way that Harry starts to suspect foul play. He could begin an investigation, enlisting the help of his friends. As for the kids, they could become more independent and resourceful. They might also form a stronger bond with Harry. And in some fanfictions, Ginny's absence could be a catalyst for a new and dangerous threat to emerge, which Harry and the kids have to face together.
The plot can change drastically. For instance, if they get caught in a compromising situation by the wrong people, it could lead to a scandal within Hogwarts. This could cause them to be ostracized by some students who might spread rumors.
In the 'Hermione Caught Cheating Fanfiction', the development of other characters depends on their relationship with Hermione. Her fellow Gryffindors might be divided. Some would support her without question, while others might be swayed by the evidence at first. Neville, for instance, could be one of the first to stand by her, showing his growth in courage. The Slytherins could be a mix. Some might be the ones behind the false accusations, while others might secretly admire Hermione's intelligence and be intrigued by the situation. And Hermione's own character would also develop as she has to deal with the unfair accusation and prove her worth and honesty.
Harry and Ginny could try to play it off casually. They might make a joke about it to diffuse the situation. Say they were caught holding hands and they could say something like 'Just making sure she doesn't float away with that new levitation charm we were testing!'
In fanfiction, once Ginny uses the love potion on Harry, the plot development can vary widely. In some cases, Harry's sudden change in behavior might cause a stir in Hogwarts. Teachers might notice something is off. Ginny then has to constantly cover up for Harry's actions. As the story unfolds, Ginny might start to feel remorse and try to gradually wean Harry off the potion's effects. This could involve her seeking help from other characters like Hermione, who is known for her knowledge. There could also be a sub - plot where other characters try to use this situation to their own advantage, perhaps to gain power or influence in the wizarding world.
There's also 'Caught in the Act'. This fanfiction delves deeper into the reactions of their friends when they see Harry and Ginny snogging. It's interesting because it shows different perspectives, like Hermione's initial shock and Ron's teasing. The descriptions of their relationship are really sweet and in - character.