Strife:Dark Brotherhood (Morrowind)

The Morrowind Dark Brotherhood quest-line is a heavy quest-line to put it lightly, if there is some content that some would rather not see, talk to your GM, there are options for cutting content that you do not feel comfortable seeing.

Below are links that may be of use:
 * Guildhall
 * Quest-line Content Warning
 * GM's page SPOILERS