The obvious and simple writer Karen Eiffelis writing her latest novel. The protagonist of the novel is named Harold Crackplayed byFerrell. He is an audit clerk for the Internal Revenue Service, and he leads an unchanging and unremarkable life. He lives in a well-kept and monotonous room, walks to and from work alone, eats a tasteless lunch alone, never dreams of the future, and never laughs out of happiness. However, what Karen didn't know was that Harold really existed. Like her character, he lived a dull and boring life. And one morning, Harold, who was brushing his teeth, suddenly heard the narration-like introduction of Karen’s novel. This voice not only described his every action and thought, but even detailed his psychological monologue in terrifyingly precise details. Only he could hear the monologue. Soon, Harold, who was forced to go crazy, began to go to work for a short trip, often talking to himself, cursing, and even consulting a psychiatrist. On the recommendation of a psychologist, Harold found Jules Hilbertplayed, a professor of literature , where he learned to classify his life into tragedy and comedy. Started to live the life I really wanted. In one accident, Harold unexpectedly found a voice that was lingering in his head on a TV show. It was Karen. Karen, who was "writing" Harold's life, finally broke through the writing mystery and decided to let her character face death.