Well, Stefan and Elena. Stefan is a vampire and Elena is a normal girl at first. They meet and there's this immediate connection. Stefan has to hide his true nature from Elena for a while. As their relationship progresses, they face numerous obstacles. There are other vampires who don't like their relationship, like Damon at times. But they keep coming back to each other. Their story is also about Elena learning to accept Stefan's world and Stefan trying to be a better person, or vampire, for Elena. They have a lot of ups and downs in their relationship throughout the story.
One key event is when Stefan first meets Elena and they start to fall in love. Another is when Elena discovers Stefan's true nature as a vampire. Also, the times when they are threatened by other vampires in Mystic Falls are important events in their story.
Stefan and Elena's love story is a complex and passionate one. Stefan, a vampire, is immediately drawn to Elena. Their love is challenged by many things. For example, Stefan's struggle with his vampire nature. At times, he fears that his dark side might harm Elena. However, their love endures through various trials, like the threats from other vampires in Mystic Falls. They share many tender moments, and their connection is based on a deep understanding and mutual attraction.
Elena would likely be angry. She has her own agency and doesn't like being controlled. If Stefan kidnapped her, she would fight back. She might use her knowledge of the supernatural world and her relationships with other characters to try to escape. For example, she could try to call out to Damon telepathically if they have some sort of connection in the story.
One key moment is when they first meet. There is an immediate connection between them. Another important moment is when Stefan saves Elena from danger, like when other vampires target her. Also, the times when they share their deepest secrets with each other are crucial. For example, Stefan revealing his vampire nature to Elena and Elena accepting him regardless.
Caroline, for example, might be more accepting as she is also a vampire. She could help Elena adjust to her new life. Damon, on the other hand, might be jealous or feel threatened that Stefan made Elena a vampire. It could change the power balance between the three of them.
I'm sorry, I haven't read this specific fanfiction. But you can try to find it on popular fanfiction websites like Archive of Our Own or Fanfiction.net.
One common theme is the idea of eternal love. Since they are in a supernatural world, their love is often depicted as something that can transcend time and death. For example, in many fanfictions, even if one of them is in danger or seemingly lost, their love remains unwavering.
Love and commitment are very common themes. Since they are married, the fanfictions often explore how they stay true to each other in the face of various difficulties. For example, in many stories, they have to deal with threats from other supernatural beings but their love remains unshaken.
In many Vampire Diaries fanfictions where Stefan saves Elena, it often showcases his deep love and loyalty for her. Maybe in one scenario, Stefan arrives just in time to rescue Elena from a group of vengeful vampires. He uses his speed and strength, along with his knowledge of vampire lore, to outwit the enemies.
There are also fanfictions that focus on the power dynamics between them. As a vampire, Stefan has certain powers, and how that affects their relationship, whether it creates a sense of imbalance or a unique bond, is explored. For instance, Stefan's ability to protect Elena with his vampire strength can be a central plot point in some fanfictions.