Another plotline might involve Ramsay having a change of heart due to some unexpected event. For example, he could be haunted by his past deeds and start to treat Sansa differently. However, this would be a very complex and controversial change as he is such a cruel character. In this scenario, Sansa would have to decide whether to trust this new side of Ramsay or still seek her revenge.
One plot idea could be Sansa using her wits to outmaneuver Ramsay in the political arena of Winterfell. She could secretly gather allies among the servants and smallfolk who have been oppressed by Ramsay. Another could be a scenario where Ramsay tries to break Sansa's spirit but instead she finds an inner strength that he never anticipated, leading to a power struggle within the walls of the castle.
One interesting plotline could be Ramsay's redemption arc. In some fanfictions, he might start to question his cruel ways after meeting a character who shows him genuine kindness. This could lead to a transformation where he tries to make amends for his past deeds.
One interesting plotline could be Sansa gradually seeing through Littlefinger's manipulations. She starts to notice the subtle ways he tries to control her and uses her new - found political acumen to outwit him. For example, she might pretend to still be under his thumb while secretly gathering allies against him.
One interesting plotline could be Sansa and Tyrion forming an unexpected alliance to outwit their enemies in King's Landing. They both have been used as pawns in the political games, and together they could use their wits and knowledge of the court to gain an upper hand.
One interesting plotline could be them ruling Winterfell together. Jon as the military leader and Sansa handling the political aspects. It gives a different perspective on how the North could be governed.
Their relationship could be explored by focusing on Ramsay's insecurities. Maybe Ramsay is actually secretly in love with Sansa in a very twisted way, and his abuse is a result of his inability to handle his feelings. Sansa, on the other hand, could try to use this knowledge to manipulate him.
One interesting fanfiction could be where Sansa uses her new - found wisdom and political acumen in a situation that has a 'lemon - like' twist, perhaps in a negotiation with a difficult lord where she offers something unexpected, like a rare lemon - scented perfume from the south in exchange for loyalty. However, this is just a speculation as there are countless fan - created stories out there.
Fans often show Sansa becoming more resilient. After all she's been through with Ramsay, she becomes a stronger person. For example, she might start to take more risks in her plans to get free from him.
One possible plot could be a story where Sansa manages to escape Ramsay's clutches before any harm comes to the baby. Maybe she finds allies within the castle who help her flee with the baby to a safe place, like a hidden forest village.
One interesting scenario could be Sansa and the Hound meeting again after a long time apart. Sansa has grown stronger and more self - assured, and the Hound is still his gruff self. They might have a conversation where Sansa stands up to him in a new way, showing how much she has changed since they last interacted.