"They Knew What They Wanted" is a play written by Sidney Howard in 1924. The story revolves around Tony, a young Italian-American man who is determined to marry Mabel, a woman he has never met. He believes that she is the perfect match for him, despite the fact that their relationship is based on a misunderstanding. The play explores themes of love, desire, and the complexities of human relationships. As Tony pursues Mabel, he faces challenges that reveal the differences between his dreams and reality, ultimately questioning whether he truly knows what he wants.