Following a huge misunderstanding, two friends always decide to tackle everything to make up for lost time.

Sanou, a bright 15-year-old, enrolls in the famous Henri IV school in Paris. In this prestigious institution, the young girl from the Saint-Denis outer suburbs finds herself dropped into a world a million miles from everything she knows.

Although he's now eighty years old, Claude Lherminier is still as imposing as he ever was. But his bouts of forgetfulness and confusion are becoming increasingly frequent. Even so, he stubbornly refuses to admit that anything is wrong. Carole, his oldest daughter, wages a daily and taxing battle to ensure that he's not left on his own. Claude suddenly decides on a whim to go to Florida. What lies behind this sudden trip?

How could the disappearance of a simple cat lead to the biggest financial crisis of all times? French documentary filmmaker Thomas Lafite went out looking for an answer: his film The Marvin Case thus explores one of the most incredible stories of the 21st century.