They're planning to take over the world, or at least the office supply closet. Their plan is to steal all the pens, staplers, and paper clips, and then use them to create an army of mind-controlled minions.
Subpage: Their Scheme to Use Stapler Guns | Their Scheme to Create the Minions
But little do they know, their plans are being foiled by the office's secret agent, a bespectacled intern who always seems to be one step ahead of them.
Subpage: Our Hero: The Secret Agent