There could be a plot where the mermaid's existence in the Glee universe is a secret known only to a few members of the club. These members have to protect her identity while also helping her pursue her dreams in the club. For example, they might help her find a way to perform without revealing her tail, or they could help her understand human music better so she can contribute more to the club.
Perhaps there is a plotline where Bella falls in love with a human, and she has to decide whether to reveal her true mermaid self to him. This could create a lot of drama and tension, as she fears being rejected because of her different nature. She might also worry about the consequences of a relationship between a human and a mermaid in the world of this fanfiction.
In this fanfiction, there could be a plotline where the Glee club as a whole takes a chance on competing in a very different kind of competition. Instead of the usual show choir events, they enter a more international or avant - garde competition. This would force them to step out of their comfort zone, learn new styles of music and performance, and deal with a whole new set of judges and competitors. It would also test their friendships and teamwork as they face these new challenges together.
One interesting plotline could be them collaborating on a big musical number for a school competition. They might start off with different ideas but then combine their talents to create something amazing.
In some glee christmas dinner fanfiction, there could be a plot where two characters who have been at odds finally make amends during the dinner. Like Rachel and Santana. The warm and festive atmosphere of the Christmas dinner softens their hearts. There might also be a cooking competition among the members to see who can make the best Christmas dish for the dinner, which adds some fun and friendly rivalry to the story.
Another plotline might involve Wes helping Rachel overcome her stage fright in a different way than the other characters in Glee. He could introduce her to some unique relaxation techniques or a new performance approach that really changes her on - stage presence for the better.
One possible plotline could be Sam and Mercedes dealing with the reactions of their friends and family. Their friends might be shocked at first but then come around to support them. Another could be their struggle to balance their dreams, like Sam's music career and Mercedes' own aspirations, with the new responsibility of having a baby.
One possible plotline could be how Rachel and Finn deal with the reactions of their friends and family. Their friends in Glee club might be shocked at first but then rally around them for support.
A common and interesting plotline is their collaboration on a Broadway - style musical production. They could be the leads and have to work through their different acting and singing styles. Blaine might bring his charm and smooth vocal style while Rachel's more powerful and diva - like presence creates a contrast that they have to blend together for the success of the show.
One interesting plotline could be the crossovers between the 'Glee' and 'A Very Potter Musical' universes. For example, seeing the characters from 'Glee' interact with the wizards from 'A Very Potter Musical' in a new school setting that combines the two worlds. It could lead to some really funny and unique musical numbers as the different styles of music from both franchises collide.
One interesting plotline could be how Sam and Rachel deal with the reactions of their friends and family. Their friends might be shocked at first, but then come around to support them. Another could be the two of them trying to balance their dreams, like Rachel's Broadway aspirations and Sam's own career goals, while also preparing for a baby.