Bloodmoon:Main Quest

Act 1 - Fort Frostmoth
An Island to the North: Learn about Solstheim and how to get there. Rebellion at Frostmoth: Investigate the low morale of Fort Frostmoth for Captain Carius. The Frostmoth Smugglers: Help Captain Falx Carius find out who has been smuggling weapons out of the fort. The Disappearance of Captain Carius: The fort has been attacked and the Captain is missing.
Act 2 - Befriending the Skaal
The Skaal Test of Loyalty: You must complete a ritual for the Skaal in order to gain their trust. The Skaal Test of Wisdom: Investigate a possible theft of furs within the Skaal Village to determine the fate of the accused. The Skaal Test of Strength: Prove your strength to the Skaal tribe by investigating the pillar of fire emanating from Lake Fjalding. The Siege of the Skaal Village: Defend the town against a vicious attack by werewolves and get infected by one of them.
Act 3 - Blodskaal	Act 3 - Werewolf
These quests are only available if you chose not to become a werewolf. The Totem of Claw and Fang: Recover the Totem of Claw and Fang for the Skaal. The Ristaag: Perform this Skaal ceremony by hunting the great Spirit Bear. The Castle Karstaag: Investigate the ominous signs which have foretold the Bloodmoon Prophecy by investigating Castle Karstaag.	These quests are only available if you chose to become a werewolf. Dream of Hircine: Protect the Totem of Claw and Fang from the Skaal. Disrupt the Skaal Hunt: Interrupt a Skaal ceremony by killing the participants and the Spirit Bear. Siege of Castle Karstaag: Stop a rebellion in this castle far to the north on the island.
Act 4 - The Hunt
Hircine's Hunt: You are now irrevocably involved in the Hunter's Game and it's a fight for survival. (Optional) Rite of the Wolf Giver: Permanently cure your lycanthropy.