quest name: Book I, Chapter 1: Unravelling the Thread
optimal level: 12
Strider has asked you to help him end Amdir's murderous rampage once and for all.
Objective: Talk to Strider.
Strider is in his room at The Prancing Pony Inn in Bree, which is found by taking a left down the hall out of the common room until you can only bear right. The room is at the end of the hall to the right of the stairs.
Strider has instructed you to gather allies, then return to him. At night-fall, he will lead you against Amdir and the Blackwolds.