England, 1598. Queen Elizabeth's successor remains unnamed. The country teeters on a knife edge.When a young heiress is found murdered at the theatre, the Queen's spymaster Robert Cecil calls upon former agent Sophia de Wolfe to investigate.

A cryptic note found on the dead girl's body connects to Sophia's previous life as a spy, and her quest soon takes her into dangerous waters. Powerful enemies emerge, among them the Earl of Essex: the Queen's favourite courtier and a man of ruthless ambition.

This is a murder that reaches directly into the heart of the court. And Sophia is concealing a deep-buried secret of her own. She must uncover the truth before her past threatens to destroy her.