I'm not sure who 'Cardenas, King and Story' specifically are without more context. They could be individuals with those last names in a particular community, organization, or a specific field.
The significance of Cardenas, King and Story depends on many factors. If they are artists, their significance could be measured by the influence of their art on the audience or the art community. If they are in a scientific field, it could be related to their research findings and contributions. However, since we don't know their occupations or the context in which they are mentioned, it's almost impossible to accurately define their significance.
Their relationship would likely become more protective. Gregorio would be constantly worried about Ingrid and the baby. He might start taking on more dangerous tasks himself to keep her out of harm's way. Ingrid, on the other hand, might feel a bit smothered at times but also appreciate his concern. They would also have to communicate more about their future plans, both as spies and as parents.
Abby Hernandez is the central character. The 'girl in the shed' part of the title suggests that she has a story associated with being in a shed. It could be that she was held there against her will, or had some significant event occur in that location, and the story is about her experience and how she coped with it.
The Legend of Gregorio Cortez is a story about a Mexican - American man. Cortez was a ranch hand. One day, a sheriff wrongly accused him of stealing a horse. Cortez, fearing for his life and knowing the unfairness of the situation, fled. His flight led to a long pursuit. This story became a symbol of the struggle of Mexican - Americans against unjust treatment by the Anglo - dominated legal system at that time.
I'm sorry, but without more specific information, I can't provide the full story of Sonya and Frank Gregorio. There could be many people with these names. Maybe they are local figures in a particular community or they are known within a specific family or group of friends. If you can give some more context, like where they are from or what they are known for, it would be easier to tell their story.
It's hard to say for sure. There are elements of the story that seem plausible, but without concrete evidence, it's difficult to determine its complete authenticity.