The setting affects the mood because, it is in a lab so it put this creepy feeling in it. When there in the lab the story feels like there is something always going to happen and that there could be a surprise any time. The lab in the story holds these boys that you don't know all about so they give off this feeling that the main character is in danger. When they're in there living room and they are sitting it makes the story feel more homey. They are in a country home so it makes the home feel more protected and peaceful