In a world ruled by propriety, Josephine Bridgerton is determined to follow reason instead of romance. Forced into her second season while secretly pursuing a passion for medicine, she finds herself drawn into an unlikely partnership with the sharp-tongued surgeon Dr. Jack Dawkins. As stolen glances, heated arguments, and shared secrets blur the line between duty and desire, Josephine must choose between the life society expects—and the one that could change medicine, and her heart, forever.