It's the Summer of 1861, Lincoln recalled Paterson's logistical train from Harpers Ferry to support the movement on Manassas. The Union occupy Leesburg and control the little remembered Loudon and Hampshire RR.
Both CSA Cav wings covering M.J. are subjected to skirmish while two full strength Union divisions (reinforced w/arty) cross the B.R. Stream.
Meanwhile, Davis is paranoid in Richmond, and sends a unit to support Norfolk. After the CSA defeat at M.J., expect leadership changes!
Beauregard retreated his army from Manassas Jct. The Union occupy that town. Waiting for the CSA to Pass, then time to build, and check for Leader-who-gets-sacked. If all stays as-is, CSA will roll +1 DRM for Leader, which is probably a good thing. U.S. need to sack Patterson ASAP, he has a whopping "0" Command Range (CR).
Next stop Aquia Landing. Hope to rule the Valley and press on towards Richmond, and control Hanover Jct-Gordonsville by end of 1862.