Crop circles and cattle mutilations, mad scientists and the top writers and artists in comics converge in a four-issue Vertigo short-story anthology exploring the limits of the imagination. Globe-hopping adventurers bear witness to the bizarre mystery of "The Kapas," a mad scientist struggles to decipher the "Riddle of the Random Realities," and a trio of plague survivors suffer the insidious side effects of being "Immune."