Lady Lillian Bourne is re-entering society after her disastrous elopement four years ago, and has to be the very picture of propriety. But when she finds herself locked in a library with an enigmatic stranger during a party, she risks falling from grace a second time...

After years working as a spy, Lord Damien Northfield finds London tedious-until his encounter with the lovely but notorious Lily. When he's enlisted to investigate a scheme of blackmail and murder, he's thrilled to discover that Lily may be the key to catching a ruthless killer...