Anatomy of a Fall is not based on a true story. It's a completely made-up narrative crafted to engage and entertain the audience through fictional elements and plotlines.
First, identify the characters. They are the ones who drive the story forward. Then, look at the plot which includes the beginning, middle, and end. The setting is also important as it gives the context where the story takes place.
The characters are key. Their personalities, motives, and development throughout the story matter. Also, the plot structure, like how events are sequenced.