Kallo' en Coiasira.
The kingdom of Thelsamar has been in a war with the northern land of Althalaxx. Once a the two lands were at piece, but one Shadar-Kai, Ovid Albrek, had a lust for power and wished to expand his territory. Ovid’s power grew, he feared nothing, As he swept the land people joined him or died. Now Thelsamar is almost at defeat.
After that, take a look at your wiki. There is some more helpful info there.