The series begins when Squee wakes in the middle of the night to find Johnny in the bathroom of his family's new house. After a confrontation with Squee's teddy bear, Shmee, Johnny leaves, informing Squee that they are neighbors. Later, Johnny goes on a rampage with a spork in a "Taco Hell" restaurant, incited by an elderly patron referring to him as "wacky". Following the slaughter, Johnny watches its coverage on the news. Later, Johnny captures and kills a patient and calm man named Edgar Vargas after discussing with him about his need to collect blood to paint a wall in his house, and later kills a beautiful woman after contemplating over their internal ugliness. He goes on a date with Devi, a cashier, and attempts to stab and kill her when he gives into his fear of losing his happiness, but Devi escapes after nearly killing Johnny. Sometime afterward, he kills everyone in the Café le Prick, the joint he despises the most, and kills a convenience store clerk over the inability to purchase a slushee. Johnny realizes he cannot seem to die or be brought to justice for his murders. He and the sentient floating head Nailbunny journey through the bowels of his house and discuss the nature of Johnny's psychosis, realizing the various forces at play with his mind. Along the way, Johnny kills a cockroach named Mr. Samsa (after Gregor Samsa, the main character of Franz Kafka's short story "The Metamorphosis"). Johnny also rigs a robotic arm and handgun to shoot him if he were to answer the phone if someone calls, further flaunting his belief in his own immortality. When Devi calls him on the advice of a friend (as seen in an earlier scene), Johnny answers out of curiosity and is shot in the head immediately after resolving not to kill himself. Around this time, a pair of his victims escape as a formless monstrosity escapes from the bloody wall, and the world seems to be erased.