Still Air. a Portland, ME, novel, #4

Deprival haunted her.Regret troubled her. Silence left her detached... A life in the service of others is both penance and a blessing. She soothes her personal hell by pulling victims from theirs, helping them on their path to survival; never finding her own. When a crippling blow finally evaporates her last hope, the temptation to give up is strong. Still, she can't find it in her to turn her back on those who need her: the innocent, whose rescue is her perpetual goal. He was blind, but now he sees how his family has sifted through his fingers.
The reality hits hard when his son becomes a stranger, slipping deeper into transgression. Concern has him call on the one person he fears will see his own failures all too clearly. A woman he's kept his distance from for his own protection. What appeared to be an incompatible pairing, turns out the unyielding bond needed to heal them all.