Maybe in the fanfiction, Naruto's family is trapped in a different dimension. Naruto has to learn a special jutsu to enter that dimension. He trains hard, perhaps with the help of Kakashi. Once he masters the jutsu, he enters the dimension, battles the creatures there, and finally rescues his family.
In this fanfiction, it could be that an old enemy from Naruto's past has come back for revenge and has kidnapped his family. Naruto, being the determined hero he is, starts to gather information about the enemy's whereabouts. He uses his shadow clones to search everywhere. Along the way, he discovers some secrets about his family that he didn't know before. Eventually, he finds the enemy's lair and saves his family through an epic battle.
One possible plot could be that Naruto discovers a new and powerful enemy who is targeting his family. He then uses his ninja skills and the power of friendship to defeat the enemy. For example, he might team up with his old friends like Sasuke and Sakura. They would go on a dangerous journey, face many challenges, and in the end, Naruto manages to save his family.
One plot could be that Naruto, through some mysterious prophecy, learns that he has the ability to save his mother. He embarks on a journey to find the key to unlocking this power. Along the way, he meets an old sage who gives him a series of trials. As he passes these trials, he gradually unlocks the power needed to travel back in time and save his mother from the hands of the enemy.
Perhaps the family is kidnapped by an evil wizard. The archer embarks on a dangerous journey to the wizard's lair. Along the way, he overcomes various obstacles with his wits and archery. Once there, he battles the wizard and manages to rescue his family.
Perhaps the story could start with Naruto finding out that his sister is in a secret location held captive by a dark organization. He embarks on a journey full of challenges. Along the way, he has to overcome various traps and face off against strong opponents. His shadow clones could play a crucial role in distracting the enemies while he reaches his sister. Once he does, he uses his chakra to break any bindings and brings her to safety, all while showing his growth as a ninja and a brother.
One possible plot could be Naruto growing up alone and having to fend for himself. He might develop a very independent and distrustful nature towards others at first. Maybe he starts to question his self - worth, but then through his own determination and some unexpected friendships, he begins to rise above his difficult past and prove himself to the village in ways no one expected.
One possible plot could be that Naruto's family, perhaps due to some dark magic or a curse, completely forgets who he is. Naruto then has to struggle not only with his normal challenges in the ninja world but also with the heartbreak of being forgotten by his own family. He might try to find a way to reverse the situation while also facing enemies who take advantage of his family's memory loss.
One possible plot could be that Naruto returns to his family after a long and dangerous mission. He finds that his family has grown and changed in his absence. His children might be having difficulties in their ninja training, and Naruto uses his experiences to guide them. He also reconnects with his wife, sharing stories of his adventures and strengthening their bond.
Well, one possible plot could be that Naruto's family imprisons him out of fear for his power. Maybe they think he's too dangerous and can't control his abilities, so they lock him away to keep the village safe. It could also be that there are some dark secrets in the family that they don't want Naruto to expose, so they keep him imprisoned.
In this fanfiction, the plot could revolve around Naruto and the Jinchuuriki family being hunted by a powerful organization. They are forced to go on the run and hide in different parts of the ninja world. During this time, Naruto discovers more about their shared heritage as Jinchuuriki. They also have to deal with the internal struggles of some Jinchuuriki who are not fully accepting of their role, and Naruto has to use his leadership skills to keep them together and safe.
One possible plot could be that Naruto is mislead into believing his family has been possessed by some dark force. So, he has to fight them to free them. For example, an evil ninja might use a genjutsu on his family members, making them act against Naruto's will.
It could be that the family discovers a false prophecy about Naruto bringing doom. In the fanfiction, they might be so desperate to prevent this 'doom' that they decide to kill Naruto, not realizing it was a false prophecy all along. This would add a tragic element as their fear led them to commit an unthinkable act.