A movie, what's it called, sir, is about a man whose life is contrary to that of ordinary people. He was born an old man, getting younger and younger. What is this called?

The Curious Case of Benjamin Button (2008)

This film is adapted from Scott Fitzgerald's novel of the same name. The hero of the story is a strange man named Benjamin Barton. He violated the laws of nature and was born an old man. Later, I became younger and longer. Benjamin Barton (Brad Pitt) was born in Baltimore. He was an "old" baby in his seventies when he was born, and his father abandoned him in the street at will. Fortunately, a kind-hearted black woman adopted him and taught him all the wisdom she had accumulated over the years. 1930, Benjamin 1 1 year (he seems to be over 60 years old now). He meets six-year-old Daisy (Cate Blanchett) and they fall in love.