Ever get a tune stuck in your head? Annoying, isn't it? Especially when it transforms you into a mindless, murderous zombie. After years of righting wrongs and wronging rights, is the fat lady about to sing for Iris Wildthyme? As Panda becomes the next big thing and the bus is stolen by an insane artificial intelligence, Iris’s future finally catches up with her. Ding ding, going down...