Bronwen Llyr is heading for the Union lines when she discovers that thousands of Rebel troops are advancing in the near distance. In a daring offensive, Robert E. Lee plans a surprise attack to cut off the Union army's supply line. And McClellan might not know until disaster strikes.

Now, Bronwen must track down the General and warn him of impending doom. But every attempt she makes to find him is thwarted. And all she can do is wait, while two armies prepare to collide.