Jeffrey Beaumont is a curious and adventurous young man who becomes the central character in the film Blue Velvet. He is portrayed as a college student who returns to his hometown after discovering a severed ear in a field. This shocking find leads him to investigate the dark underbelly of his seemingly idyllic community. As Jeffrey delves deeper into the mystery, he encounters a range of intriguing characters, including the enigmatic Dorothy Vallens and the menacing Frank Booth. His journey reveals the hidden complexities of human nature and the contrast between innocence and corruption in the world around him.