Answer: In the heat of battle, she manages to cross over to the Union side, where an officer recognizes her
Explanation:
On a mission to uncover the confederate spy network in Lebanon, Kentucky, Emma Edmonds was essentially coerced into joining the Confederate force in order not to attract too much attention to herself.
As the Confederates were pulling out of the town however they met a Union force and a confrontaion ensued during which she managed to slip over to the Union side and was recognized by an officer.
