Grace Porter is reeling from grief after her partner of seven years unexpectedly leaves. Amidst her heartache, the 30 year-old library tech is tasked with reading newly discovered letters that Amelia Earhart wrote to her lover, Gene Vidal. She becomes captivated by the famous pilot who disappeared in 1937. Letter by letter, she understands more about the aviation hero while piecing her own life back together. When Grace discovers she is pregnant, her life becomes more intertwined with the mysterious pilot and Grace begins to write her own letters to Amelia.