In this Regency story, newly minted sixteen-year-old Primrose Ainsworth finds herself on a wayward birthday adventure through London with a mysterious hero. The youngest of four daughters, Primrose Ainsworth is used to getting lost in the shuffle. But when her parents decide to delay her debut into English society, Prim hatches a plan to go rogue on the night of her sixteenth birthday. Donning a mask, Prim escapes to the infamous Vauxhall Gardens for one wild night. When her cover is nearly blown, a mysterious stranger intercedes, and Prim finds an unexpected partner in mischief . . . and romance. But when it’s revealed her new ally isn’t who he says he is, her one night of fun may last past dawn.