Here is the introduction to Rise of Redoran Part 1, it'll be followed by a prologue.

Introduction
The year is 433 of the Third Era; the Emperor of Tamriel Uriel Septim VII is assassinated by the Daedra worshiping Cult of the Mythic Dawn. All of his heirs lie dead, only an illegitimate son remains. The Empire is thrown into chaos as the forces of the Daedric Prince Mehrunes Dagon invade Tamriel, although a hero is found to quell the invasion the damage that is dealt will never truly be healed.
As Oblivion gates open all over the continent the Imperial Legions are one by one called back to Cyrodiil to deal with the threat. This act however left the other provinces along and without help, while some of the provinces had little trouble dealing with the Crisis others find it unimaginably hard.
Morrowind is one such province, when the Gates opened and Daedra poured forth they expected aid, but the Imperial Legions stationed in Morrowind were called back to Cyrodiil. Morrowind was left alone, the ruling House Hlaalu was unable to deal with the situation. The burden of defending Morrowind and her people fell to House Redoran.
Towards this purpose House Redoran has gathered forces from the other Houses as well as forming militias from the civilians and mercenary groups, the survival of Morrowind and the Dunmer as a people is in danger.