Could there be some connection between Postal Dude's visions, the evil video game publisher Whiptail Interactive, the recent mysterious mad-cow induced zombie outbreak, and the U.S. As the shiftless Postal Dude bounces from one deadbeat mission-based job to another in order to earn enough money to buy back his repossessed dog and trailer home, he finds that his self-inflicted gunshot head-wound is causing him to have periodic visions of a bizarre, grotesque parallel universe where the walls are made of flesh and blood and where he comes under constant attack from mummified demonic children that look suspiciously like Gary Coleman.
Apocalypse Weekend begins on the Saturday following the climactic Apocalypse at the end of Postal².