atie a casa en una noche neblinosa, hay algo apestoso en el ambiente! Con sus narices a toda máquina, los amigos enfrentan un misterio que necesitan resolver: Qué está causando ese mal olor, y por qué les persigue? When Pedro and his dad walk Katie home on a foggy night, something smelly fills the air! With their noses working extra hard, the two friends have a mystery to solve: What is that making that stink, and why is it following them?