4+ stars -- Described as Nordic crime fiction, this is the best thriller I've read in ages. Quickly hooked, I could not put it down as I was introduced to Nina Borg, a Red Cross nurse who works in a camp for refugees and other desperate people. Nina is a middle-aged mother of two and wife to a man who finds her behavior often inexplicable. She has a history of rushing off to "save" people and immediately answers a call for help from her former best friend Karin. Karin gives Nina a key to a locker in the Copenhagen train station and when Nina lugs the heavy suitcase to her car and opens it to find an unconscious 3-year-old boy, the chills begin. Who put this child in the case and why -- just the first of many questions that Nina tries to answer as the other characters come into the action and the teasers to explain motivation. Loved it!    Recommend to anyone looking for a suspenseful and gripping read. This was the first in a new series and I'm off now to start the second book.