Edith Eldridge, daughter of Colonel Eldridge, disguises herself as a boy to enlist in the Confederate Army. Her identity is discovered and she is rejected. Federal raiders burn the Eldridge house and Edith’s father is killed. To avenge the murder, Edith turns spy for the Confederates. She goes to the headquarters of General Johnson. The General pleads with her to give up her perilous undertakings, but she insists. Alone she enters the Union lines near the quarters of Lieutenant Phillips. She feigns illness and the officer carries her to the quarters. Lieutenant Phillips falls in love with Edith. She secures the outline map of the Union fortifications and makes her escape. As a result of the information the Confederates attack. Edith sees both her brothers killed. She witnesses the danger of a Confederate ammunition wagon and attempts to drive it across the stream. The Confederates are repulsed and Lieutenant Phillips captures Edith, and takes her back to the Union camp. A friend of Edith’s goes to the governor, who after hearing Edith’s story, pardons her. She meets Phillips, and all ends well.