The Better Angels - Hearts Touched By Fire, #4

In 1864, Francois Fontaine has a life of leisure as part of the planter class in Louisiana. Everything changes when the woman he loves marries another man. Heartbroken, he flees east to join the army in an attempt to forget. But in Virginia, wounded and captured, he quickly discovers that an injured Confederate soldier faces a bleak future. Dr. Ada Lorrance wants to help in the cause against Southern slavery, but the army medical department will not take a women doctor, yet they need nurses so she bites her lip and joins as one, soon to discover that when the surgeons are overwhelmed, she is left to doctor the prisoners.
She finds herself attracted to a rebel, a man who stands for everything she despises, making her hope he rots, but her heart falls for him. Thrown together by war, Francois and Ada find themselves battling over their beliefs and fighting against the growing affections that are fragile enough to pull them apart.