While relaxing at a strip club, Duke sees a portal open and a women appears. She attempts to give Duke his sunglasses but Pig Cops appear and kill her. In response, Duke kills them and goes through the portal. This portal leads him to an underground bunker in the future.
Once he arrives, a woman named Jane explains that all men have been exterminated by aliens and that the women are being used as slaves. She also explains that Silverback, a hybrid of a Pig Cop and an ape, is launching an attack on the UBN (United Babes Resistance).