As a renowned arbiter of fashion and design, Miss Amelia Bonnington’s upcoming nuptials to Lord Derrick Brinsley have become the most anticipated event of English society. Her plans to create the perfect wedding must be cast aside, however, when her best friend’s brother, a member of England’s top code breaking family, disappears.

When his fiancée meddles in dangerous spy activity, Derrick, an undercover agent for His Majesty, must intervene. Now, it's up to Amelia and Derrick to safely locate the missing brother, prevent another abduction, and thwart an assassination. Can they outwit the French spies and still have Amelia’s fairy tale wedding?