Lilly Corbett Still has grown to love her life as the small-town doctor of Skip Rock, a tiny coal community in the Kentucky mountains. Though her husband, Tern, is away for a few months at a mining job, Lilly has her hands full with her patients and her younger sister visiting for the summer. Lilly turns to her good friend and neighbor, Armina, to help keep things in order --- until a mysterious chain of events leaves Armina bedridden and an abandoned baby on her doorstep.