The Last Leaf (1983)

An Easter Parable: As lingering pneumonia takes her will to live, a young girl decides that she will die when the last leaf drops from a dying vine outside her window. Her neighbor, an elderly artist frustrated by his inability to paint what is in his heart, follows the example of the Savior and makes the ultimate sacrifice to save her life. In doing so, he creates the masterpiece he has been struggling to paint.

Unfortunately the movie The Last Leaf is not yet available on HBO Max.