The war against an occupying alien force enters a volatile new phase in the third season of FALLING SKIES. Seven months have passed since the survivors of the 2nd Mass reached Charleston. Now elected to public office, Tom Mason (NOAH WYLE) has formed a tenuous alliance with a band of rebel skitters with Tom's son serves as the mediator between Mason and the rebel skitters. But the alliance may not be enough to overpower the enemy Espheni, whose forces are now being led by an even more sinister overlord. To complicate matters further, another race of aliens has just entered the battlefield. And Charleston also faces dangers from within its own walls. Recent battle losses have convinced Tom and the military that there may be a mole feeding strategic plans to the Espheni…