Possible Clues:

• See 24 Down
• Beau of films
• P.C. Wren's 'Beau ___'
• "Beau __ "
• Beau of literature
• "Beau __": Gary Cooper film
• In the past, a notable deed
• Beau --, gracious act that could be meaningless
• Édouard's exploit
• Romantic adventure