campaign help

i have read tutorials etc... bu ti need a new one for ing ame linknig. im making more like a wow game then a campaing u walk to a gate and a new map loads within the campaign and u show up at the gate in the other map. i need a tutorial on doing that....

also it will have mroe then one links like map 1 could link to 5 maps for example....

any 1 gonna help me??