England, 1811. Frederica, the eldest daughter of the late Viscount of Panswick, dreams of a glamorous season in London. However, her father has left the family with a mountain of debt. In a bid to save the estate of Lancroft Abbey, her mother decides to go all in. Instead of Frederica, the second eldest and most beautiful daughter, Penelope, is to make her debut in London, equipped with the last of their cash. When Penelope's chaperone breaks her leg, Frederica steps in, disguised as her widowed cousin. Her initial attempts to connect with high society end in failure. Can Frederica still fulfill her mission and find a wealthy bachelor for her sister?.