When stonemasons find the decomposed remains of a pregnant, unidentified mistress of King Henry VIII inside a crumbling window seat at Hampton Court Palace, curator and historian Kaitlyn Rose gets the shock of her life.

Sparked by the exciting discovery, a chain of events unfolds that sends Kaitlyn's life veering wildly off course. First, she discovers that Colin Wycliffe, her best friend of seven years and the man she loves, isn't who he's claimed to be. Then, when Colin's misogynistic half-brother, Brighton Jones, turns up after a fifteen-year absence, things become even more bizarre....