Lady Emaline Mason has dedicated her life to the rescuing and healing of animals. She has no expectations for finding love as her sisters have before her, but after a shocking experience with the family's doctor, every exchange between them feels different. She is determined to despise the scoundrel, but somehow that fiery disdain is turning into a burning desire...

Dr. Lord Simon Claridge, heir to the Earldom of Merrington, has known about the Mason family's involvement in spy activity for some time and has gradually become their personal physician. After an incident with one of the Mason sisters, things changed. His rapport with Lady Emaline became strained, and as much as he tried to stop it, the woman was suddenly everywhere in his thoughts.

With the increasing danger surrounding Lady Emaline and the very real threat to their mortality, will Simon and Emaline have the opportunity for their budding affection to grow, or will they discover their love only to have it ripped away from them?

Join them in this concluding novel in the Mason Siblings series as they fight together in one final battle for love...

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