A plotline of 5 quests centered around the Imperial Archaeological Society in Helnim. See child claims for the individual quests and the associated interior. Also see here for associated Dwemer schematics to be used in Quest 4, Beyond the Door: http://tamriel-rebuilt.org/asset/enhanced-dwemer-centurion-schematics
Quest 1: A New Lead
Quest 2: Asking for Permission
Quest 3: Safety First
Quest 4: Beyond the Door
Quest 5: Archaeology Isn’t Scavenging!