The good news is, Bill figures out the house where the ATF mole is. The bad news is, when he gets there, the mole is dead and the house is rigged to blow up. Meanwhile the unsuspecting Gunsmith Cats are on their way to receive a civic award from Senator Haints - where the Bloody Pierce is waiting for them, thirsty for revenge. Can Bill and the Gunsmith Cats figure out who's really behind the gun running operation before the Bloody Pierce kills them all?
Rally Vincent knows her weapons well, while her partner Minne May Hopkins loves to play with explosives. The pair run a gun-shop illegally and one day Bill Collins of the ATF, blackmails Rally and Minnie May into working for the ATF. Little do they know, that they are getting involved in a mission larger than they could imagine.
