I'm not sure. It might be based on real events, or it could be completely fictional. It depends on the author's inspiration and the context of the story.
The story of The Winslow Boy has elements drawn from real events, but it's also fictionalized to some extent to make it more engaging for the audience. So, it's a blend of truth and creative imagination.
In the 'longed for love laura story', Laura is the protagonist of the story. We can assume that she is someone who has a strong desire for love. She might be a young woman who has been through various situations in her life that have made her long for true love. Maybe she has seen others in happy relationships and wishes for the same kind of connection. Without more context, it's hard to know more specific details about her, but she is the key person in this story about longing for love.
Without more context about 'Laura Black Story', it's impossible to say exactly who Laura Black is. She might be a symbol of something in the story, like hope or perseverance, or simply a character with a unique personality and backstory.
I don't know who Laura is in this context as the given phrase doesn't provide much information. She could be a fictional character created for this story.