Jamie, Jim and Granny McSporran have to fight off zombies trying to break in through the back window while mysterious men in a secret underground base plan a visit to Zombieville in an attempt to find and cover up the crashed UFO. Jamie tries to convince his Granny that the UFO is real and that the yellow liquid Buckstop harnessed from it really does turn people into Zombies. After Buckstop points the finger at Jim McSporran, accusing him of stealing “specialist engineering equipment” and causing the “accident”, Jim is taken away by the Police!