The three lads bent upon playing a peculiar trick on their chum, Fenn, or "Stumpy" Masterson, kept on toward the Darewell High School, at which they were students. The building set well back from the street, and the campus in front was now flooded with brilliant moonlight. It was close to midnight, and to approach the institution unobserved, to take from it certain objects, and to steal away without having been noticed, was the object of the three conspirators.