Maybe Annie discovers she has a rare medical condition during the pregnancy that puts her and the baby at risk. Liam then has to step up even more, and they might face difficult decisions about treatment options. This could also test the strength of their relationship.
Another plot twist could be that there's a misunderstanding about who the father is. A former acquaintance of Annie's shows up claiming to be the father, but in the end, through some DNA testing drama, it's proven that Liam is indeed the father. This would add a lot of emotional turmoil and then relief to the story.
One possible plot twist could be that they initially think they are having one baby but find out it's twins during an ultrasound. This would bring a whole new set of challenges and joys for them. They might have to quickly adjust their plans for the nursery and baby supplies.
One possible plot twist could be that Liam discovers he has a long - lost twin and the baby is actually his twin's but Steffy doesn't know. Another could be that Steffy loses the baby but they find out it was due to a conspiracy by a rival family. Or perhaps, the pregnancy test was a false positive and they have to deal with the emotional rollercoaster of thinking they were going to be parents.
In this type of fanfiction, the story could explore how Annie and Liam deal with the unexpected pregnancy. Maybe they initially panic but then start to plan for their future together. They might face challenges from their families and friends, but their love for each other helps them through.
A plot twist could be that Annie has some sort of special power that gets passed on to the baby, and they have to figure out how to protect the unborn child from those who might want to use it for evil. This would add an element of mystery and danger to the story.
A plot might involve Annie getting into trouble at school in 90210. Liam, being the protective boyfriend, steps in to help her. But the situation is more complicated than it seems, and they end up uncovering a web of lies and secrets within the school community. As they work together to solve the mystery, their relationship is put to the test but also becomes more resilient.
Annie's family might be overjoyed at first. Her mother could start knitting baby clothes right away and her father might start planning how to expand their house to make room for the new family member. However, if Annie and Liam are young, her family could also be worried about their future and financial stability.
One common theme is the struggle between their personal ambitions and the new responsibilities of having a baby. For instance, Annie might have dreams of going to college or pursuing a career, and the pregnancy could put those on hold.
Perhaps there's a mystery in their married life. A secret from one of their pasts resurfaces. This could test their marriage. They'll have to work through it together, showing their strong bond as a married couple in the 90210 universe.
One possible fanfiction could be about Liam and Annie's secret adventure. They might decide to run away from the drama in 90210 for a day and explore a nearby abandoned place. Along the way, they could discover old secrets about the town and also deepen their relationship as they rely on each other in this unplanned journey.
Annie, on the other hand, is usually portrayed as a sweet and determined girl. She has her own dreams and goals, and she doesn't let anyone stand in her way. In the fanfiction, she might be involved in school plays or other activities that show her passion.
There are many possible fanfictions on this topic. One might start with a beautiful wedding scene, where Annie is walking down the aisle in a stunning white dress towards Liam. The fanfiction could explore their relationship before the marriage, like all the challenges they overcame to reach this point.