Rick, Duke of Stonerick, enjoys leading a busy life with his friends playing cards, fencing and honing his expert marksmanship. He even enjoys exchanging loving jabs with his mother about not being married. But when a mysterious illness reminds the duke that he has no heir, in a feverish gamble, he picks a random lady from the list of prospects his mother penned for him and writes a simple marriage proposal on a letter. And he forgets about it - until a tempting lady with an iron will and breathtaking bravery shows up at his doorstep, ready to accept. Perhaps he has found a solution for his predicament, not to mention an enigma he intends to unravel little by little.

Miss Edwina Fine has one shot at finding a husband before the ton learns she is one of the triplet sisters hidden away from society. With red hair and green eyes, she is hyper aware of her undesirability, but needs to find a husband all the same. When a marriage proposal from the Duke of Stonerick arrives by mail, Edwina cannot pass up the chance to accept. But nothing prepared her for the undeniable attraction she feels when they finally meet. It will take more than Edwina's wit to help her navigate her secrets and the passion that flares up within her.