John (Channing Tatum Channing Tatum) of the US Army Special Forces accidentally meets Savannah (Amanda Seyfried Amanda Seyfried), a schoolgirl on vacation in his hometown, and the two soon fall in love. As an adult, John seldom communicated with his father, who was obsessed with collecting coins, but Savannah was very friendly to John's father. Their vacation ended quickly, and when they parted, John promised that Savannah's own service would end after a year, and the two would never be separated again. Overseas troops are often camped in remote areas, John can only talk to each other through letters and Savannah, in those affectionate words, the two look forward to being together in the future. The 9 / 11 incident broke out and their relationship was in crisis in the face of John's extended service, but they soon got back together. John returned to the army for a long time without hearing from Savannah, but what he was waiting for day and night was Savannah's parting letter. When the pain of the lovelorn was not healed, John was unfortunately injured, and just before he was in a coma, John thought of the coins his father had collected. A few years later, when John saw Savannah again, he sent.