I'm not sure specifically as there could be many different 'son of suns' Star Wars fanfictions. It might be about a character who is the son of someone important, perhaps related to a powerful or significant 'sun' - like symbol or entity in the Star Wars universe.
Since I haven't read this particular fanfiction, I can't say for sure. But it could be the'son of suns' character as the main protagonist, and perhaps some classic Star Wars characters like Jedi knights or Sith lords who interact with him.
Luke Skywalker is often a popular character. His journey and growth in the Star Wars universe are well - known, and in Twin Suns fanfiction, he can be further explored in new and exciting ways.
A cool plotline might be an alternate universe where the events in Twin Suns take a completely different turn. Maybe the main characters form an unexpected alliance or face a new, more powerful enemy.
A lost Jedi, known as Elara, found herself on a desolate asteroid. She had lost her memory in an attack by pirates. All she knew was that she had some strange powers. As she explored the asteroid, she came across a group of scavengers. They were being terrorized by a small group of Imperial remnants. Elara's instincts told her to help. Using her latent Jedi abilities, she fought off the Imperials. As she did, memories slowly started to return. She remembered her training and that she was on a mission before she got lost. She then set out to complete her mission, determined to find her place in the Jedi Order again.
Well, 'the lost son star wars fanfic' might focus on a son who has been separated from his family in the Star Wars setting. It could be that he's lost in terms of his allegiance, not sure whether to side with the Jedi or the Sith. He might be on a quest to discover his roots and in the process, face many challenges like battles, moral dilemmas, and dealing with different alien species.
In the fanfiction, Shmi could be the key to unlocking a hidden prophecy about Anakin. Maybe there were ancient texts on Tatooine that only she could understand, and these texts revealed the true nature of Anakin as the 'Son of Suns' and his role in the galaxy. She then has to find a way to pass this knowledge on to the right people before it's too late.
Since it's a 'lost son' story, the main character is likely to be the son himself. But without reading the fanfic, it's hard to say exactly who he is or what his backstory is.
Well, it could be about a son who gets separated from his family in the Star Wars universe. Maybe he's a Jedi or Sith in training and gets lost during a battle or a mission. He then has to find his way back, facing all sorts of challenges and meeting new characters along the way.