White Deer (Hircine)
To start the mission go to the Falkreath prisons, and follow the corridor until you see a cell with water and sunlight coming from above, once close to the cell Sinding will approach you, explaining that he ended up in prison because killed a little girl unintentionally as he received a ring from Hircine that he did not check and turned into a werewolf. Once Sinding gives you Hircine's ring to return it, he will escape from his cell and you will have to reach the indicated location and kill the great beast which is a moose, he will ask to kill Sinding at the Puffed Man's Cave as soon as you enter in the cave you can see many corpses, one of which is a Khajiit still alive and he will tell you that all the corpses are hunters sent by Hircine to kill Sinding, after which he will die and you will meet Sinding werewolf and he will ask you if you want to spare him or not, if in case you decide to spare it you can keep the ring while if you decide to kill it you can skin it to have its skin which then Hircine will transform it into the Skin of the Savior.