"A courageous young noblewoman risks her life to hide French resistance fighters; seventy years later, her granddaughter visits the family's abandoned chateau and uncovers shocking secrets from the past. Gisele Duchant guards a secret that could cost her life. Tunnels snake through the hill under her family's medieval chateau in Normandy. Now, with Hitler's army bearing down, her brother and several friends are hiding in the tunnels, resisting the...