In 1944, a Liberator bomber pilot writes a letter to his daughter on the occasion of her first birthday, he posts it moments before embarking on a mission in Northern Italy. Tragically he never returns and neither the wreckage of his plane nor his body has ever been found. In 1964, Linda Carr resloves to find out what happened to her father on that terrible night. She employs the help of Jack Kirby, a Mosquito pilor during the war and a man with his own inner demons. What Jack and Linda discover in their journey deep into uncharted mountain regions where they attempt to piece together the fragments of their personal stories, is more dangerous and life-changing than anyone could ever have imagined.