Ikiru (1956)

Mr. Watanabe suddenly finds that he has terminal cancer. He vows to make his final days meaningful. His attempts to communicate his anguish to his son and daughter-in-law lead only to heartbreak. Finally, inspired by an unselfish co-worker, he turns his efforts to bringing happiness to others by building a playground in a dreary slum neighborhood. When the park is finally completed, he is able to face death with peaceful acceptance.