Well, in such a fanfiction, the plot might involve Team Rocket devising a clever plan to capture Dawn. Maybe they use some new and devious Pokémon or traps. They could be after her Pokémon for some evil scheme, like using them to take over a Pokémon Contest Hall.
In this fanfiction, perhaps Team Rocket has a special device that can nullify Pokémon attacks in Dawn's vicinity. They manage to capture her while she's on her way to a big Pokémon competition. Dawn then has to rely on her non - Pokémon skills and the help of some unexpected allies within Team Rocket's lair to escape and rescue her Pokémon.
Obviously, Dawn and the members of Team Rocket like Jessie, James, and Meowth are the main ones. But there could also be Dawn's Pokémon, like Piplup, which might try to rescue her. And there could be other Pokémon trainers or characters from the Pokémon world who might get involved in the rescue mission.
One possible plot could be that Dawn, for some reason, gets disillusioned with her regular Pokemon journey. Maybe she has a series of losses that make her question her methods. Team Rocket, seeing an opportunity, convinces her that they have a better way to train and use Pokemon. She then joins them, initially helping with their small-time schemes, but gradually realizes that their actions are unethical and has to find a way to break free.
Maybe there's a rogue Pokemon trainer. This trainer is jealous of Dawn's skills and the attention she gets. When Dawn joins Team Rocket, this trainer sees it as a chance to expose her as a fraud. He or she then tries to stop Dawn and Team Rocket's activities, thinking that they are up to no good, which they are, but the trainer has his own self - centered motives.
Well, it could make for a really interesting fanfiction. Dawn joining Team Rocket would change the whole dynamic. Her Pokémon might not be too happy about it at first. She could bring new ideas to Team Rocket, since she has a different way of thinking compared to Jessie, James and Meowth. However, it's also possible that she would secretly be working against Team Rocket from the inside, trying to take them down while pretending to be one of them.
One possible storyline is that Dawn joins Team Rocket thinking it's a legitimate Pokémon training organization at first. But as she gets deeper into it, she discovers their true evil nature. Another could be that she is brainwashed by Team Rocket into joining them. Her friends then have to find a way to break the brainwashing. A third storyline could be that she joins willingly because she has some sort of vendetta against the Pokémon League and sees Team Rocket as a way to get revenge.
One possible plot could be that Ash and Dawn are traveling together when Team Rocket attacks. Ash might use his Pikachu to fend off their initial attacks. He could then come up with a clever strategy, like using the environment to his advantage. For example, if they are near a body of water, he could make Team Rocket's Pokémon slip. Dawn, on the other hand, could use her knowledge of Pokémon contests to distract Team Rocket with some flashy moves from her Pokémon. In the end, Ash and Dawn manage to escape and continue their journey.
One possible plot could be that Misty gets captured by Team Rocket. They plan to use her as a bargaining chip against Ash. But during her captivity, she manages to befriend some of the lower - level Team Rocket grunts. These grunts start to have second thoughts about their evil deeds because of Misty's influence. Eventually, Misty uses this new - found friendship to escape and also cause some internal chaos within Team Rocket.
In a 'pokemon dawn joins team galactic' fanfiction, the plot could involve Dawn being lured by Team Galactic's false promises of power. Maybe they convince her that their goals for the Pokemon world are noble at first. She might start to question her own values and the way she has been training Pokemon. However, as she delves deeper into Team Galactic, she could discover their true evil intentions and then have to struggle to break free and redeem herself.
The fanfiction could start with Dawn being in a vulnerable situation, perhaps alone in an area where Team Rocket has set a trap. Ash, who has a sense of justice and cares about Dawn, discovers the situation. He then uses his knowledge of Pokémon battling, combined with his quick thinking, to outwit Team Rocket. His Pokémon work together as a team, and through a series of exciting battles and maneuvers, he manages to rescue Dawn from the clutches of Team Rocket.
Well, the plot might start with a trainer who is a bit of a rebel. They don't like following the normal rules of the Pokemon world. Team Rocket notices this and recruits them. As part of Team Rocket, they participate in raids on Pokemon Centers to steal medicine for their own Pokemon. However, during one of these raids, they encounter a very sick Pokemon that needs that medicine desperately. This makes them question Team Rocket's motives. They then start to secretly work against Team Rocket from within, trying to protect the Pokemon and the integrity of the Pokemon world.