Untold Stories of The Secret World is a MOD that allows you to write your own missions for The Secret World. Several missions are included with the MOD.
Untold Stories Lore highlights fan fiction, art, music, and video creations from the TSW community. When you are near a designated location or character, a red US icon will appear in the notification area. Click the icon to open the lore.
For more details, see this thread in the TSW Forums: http://forums.thesecretworld.com/showthread.php?t=82855