Lady Hermione Marlowe refuses to believe that the handsome gentleman she loves spends his nights in London's lustiest locales. If only she had a way to prove that Lord Rockhurst is a proper gentleman.
In an attempt to discover who betrayed him and left him for dead, Lord Langley enters into a false engagement with Minerva, Lady Standon, and they try to obey the rules they set down for each other until love enters the picture.