A possible plot could involve Lynn trying to understand Amanda's past and in the process, she helps Amanda come to terms with her own trauma. This could lead to a friendship or a sister - like bond between them.
There might be a fanfiction that focuses on a backstory for their relationship. For example, it could explore how they might have crossed paths before the events that brought them into the main 'Saw' storyline. This could add a whole new layer of depth to their characters.
One challenge is getting their personalities right. Lynn is often portrayed as more of a rational and scientific - minded person, while Amanda has a very complex and often dark personality. Balancing these two in a believable relationship can be tough.
You can start by searching on popular fanfiction websites like Archive of Our Own or FanFiction.net. Just type in 'Lynn Denlon Amanda Young' in the search bar and you'll likely find a good number of stories.
Maybe they could work on a difficult case together that involves a mystery from their pasts. As they dig deeper into the case, they start to realize things about each other that they never knew before, and it changes the dynamic of their relationship for the better.
One idea could be that Amanda discovers a way to communicate with the Alien on a basic level. Maybe she uses her engineering skills to create a device that emits frequencies the Alien can understand. Another could be that Amanda and the Alien form an unlikely alliance against a common enemy, like a group of rogue Weyland - Yutani employees who have their own malicious plans for the Alien.
Another plot could involve Lynn Loud Sr trying to teach Luan Loud some old - fashioned values. Luan, being her humorous self, might find unique ways to either embrace or subvert those values. For example, if Lynn Sr tries to teach her about the importance of hard work, Luan could turn it into a comedy skit about different jobs that ends up inspiring the whole family to work together on a project.
One idea could be that the male reader is a new neighbor. Lynn at first challenges him to a sports competition because she's competitive. But as they spend more time together, they discover they have a shared love for a certain type of music and start bonding over that.
One idea could be to create a story where Amanda discovers a hidden magical realm within the places she usually adventures. Maybe she finds a key that unlocks a door to a world full of talking animals and strange, beautiful plants.
One plot idea could be a story where young Naruto and Hinata are paired for a school project. Naruto is initially clueless and Hinata is too shy to take charge, but as they work together, they start to understand each other better. Naruto's determination rubs off on Hinata and gives her more confidence, and Hinata's kindness makes Naruto more sensitive to others' feelings.
Perhaps Amanda Serak is a double agent in the Mirror Universe. She pretends to be loyal to one faction while secretly working for another. Her mission could be to gather intelligence about a new weapon or technology that could change the power dynamics in the Mirror Universe. As she gets deeper into her mission, she realizes that she may be in over her head and has to make some difficult decisions to protect herself and those she cares about.