Well, consider a fairy who was beloved for her ability to bring good luck and beauty to the forest. However, she falls in love with a human, which is forbidden in the fairy realm. As a result, she is stripped of her powers and exiled. She has to navigate the human world without her magic, facing hardships and prejudice. She may then strive to regain her grace either by winning back the favor of the fairy realm or by finding a new purpose in the human world.
It's hard to say for sure. It could be inspired by real-life situations but transformed and embellished for the sake of the narrative. Maybe some parts are true, while others are made up.
It's most likely fictional. Usually, when a story is titled like that, it's made up to engage and entertain rather than being based on real events. But sometimes, elements might draw inspiration from real-life situations, but not be a complete true story.
Well, it claims to be a true story. But sometimes in such cases, there could be some creative liberties taken for dramatic effect. However, the core elements are said to be rooted in reality.