The Skull.

Just as the bead clerk and his assistants are closing up the jewelry store for the day, a package containing a very costly necklace arrives by special messenger. The large safe deposit vault has been closed for the night and the time clock set. The head clerk is fearful to leave the necklace in the store and so decides to take it home. His actions have been closely watched by one of the junior clerks, with sinister and stealthy glances.