"Dear John" is a romantic drama film released in 2010, based on the novel of the same name by Nicholas Sparks. The story follows a young couple, John Tyree and Savannah Curtis, who fall in love during a summer in North Carolina. Their relationship faces challenges when John is deployed to the military, leading to a long-distance romance filled with letters. As time passes, their lives take different paths, and Savannah's feelings evolve. The film explores themes of love, sacrifice, and the impact of war on personal relationships. It stars Channing Tatum as John and Amanda Seyfried as Savannah.