Whispered letters, hidden desires, and a love that defies all odds.
Sebastian wants his cousin Kathryn's help to win over Elisabeth. However, Kathryn proposes a daring plan that intertwines the mysterious Bona Dea and a quest for true love.
Elisabeth, who desires a passionate romance despite her parents' wish for a practical marriage, accidentally gets involved in Kathryn's plan. With letters to the legendary Bona Dea, Sebastian assumes the role of guiding Elisabeth toward his own embrace.
Yet, a shadow looms as the charismatic Reuben Lisle. Elisabeth, believing his advances to be the fulfilment of Bona Dea's guidance, falls into his cunning trap.
As rumors about Bona Dea spread, Sebastian and Kathryn are trapped in their own deception, working to hide who they really are.
But when Sebastian discovers Reuben's true motives, he realizes he must save Elisabeth from an imminent disaster.
With scandalous revelations about Bona Dea swirling and endangering Arabella's reputation, Sebastian can no longer perpetuate the lie. Will Elisabeth unravel the web of deception to save Sebastian and restore their love?