Evil has many faces...Amy and Katie took pity and took home the exhausted dog and gave him a name - Rover. At first the dog behaved quite calmly, but sometimes frightening things happened... Animals are terribly afraid of Rover, electricity goes out, doors slam, things get worse before the fire! The girls' parents decide to take Rover to the shelter, but... he doesn't want to leave! What does the dog want? Amy finds Rover's previous owners, wanting to figure everything out, but the mere mention of his nickname brings them into genuine horror... How is this possible - after all, the girls themselves came up with a nickname for him! And what is this strange spot on Rover's skin? Why does he love looking in the mirror so much?