Dragonborn is the first story quest in Skyrim: Dragonborn.
Starting Location
Head to any major city such as Riften or Whiterun
Quest Giver
How to Start
You will be approached by a Cultist of Miraak
Description
Why are these cultists claiming you are a False Dragonborn? Who sent them to kill you?
Objectives
Find out who sent the Cultists
Walkthrough
Go to any main town, for example Whiterum, Riften, or Solitude
Walk around until approaced by a Cultist of Miraak
Talk to, then kill the Cultists of Miraak
Loot their bodies for orders. You will find Cultists' Orders
Read the Cultists' Orders. The clue leads you to Windhelm
Go to Windhelm and to the docks there and talk to Gjalund Salt-Sage
Convince him (bribing works) to take you to Raven Rock (Solstheim