Evan Ross can’t get “The Devil’s Blood” out of his head and the terrible adventures that happened to him last summer. Very scary. The bad news is that the science teacher doesn't believe a word Evan says. And for these stories the boy has to endlessly clean the hamster's cage. And then his old friend Andy comes to town, and the incredible begins. Because she has a "surprise" for Evan. It's something green, sticky, and it's constantly growing...