Mankind struggles under the boot of alien overlords. The Earth's only hope is the remnants of the Terran military's finest bio-enhanced soldiers: the blackcollars. With a trick up their sleeves to break the alien psych-conditioning and the weaponry hidden inside a mountain fortress, the odds have rarely been better.

The only problem? The blackcollars have a Judas in their midst and all their plans may come to nothing, condemning humanity to perpetual slavery.

(Source: Baen)