The Horn-call of Buckland had alerted Lenglinn to the Nazgûl's presence there.
'You say that Underhill is with Aragorn? I know of no Underhills... I was sent to watch over a hobbit named Baggins. I must assume that is whom Aragorn spoke of. That he is safe is welcome news, for my fears are somewhat allayed. It was late in the night when I heard the Horn-call of Buckland. Running to the road, I saw the Nazgûl leaving Buckland at a gallop. I tried to stop them, but they ran me down. I feared they had already found Baggins.
'The four Riders passed eastward towards Bree, but we may discover what they learned, if anything, at Baggins' home in Crickhollow. It is a cottage surrounded by a high hedge almost directly south-east of the Buckland Gate.
'If you learn anything there, return to me. What news you can bring me may help determine the movements of the Nazgûl.'
Baggins' home is at Crickhollow, almost due south-east of the Buckland Gate, south of Lenglinn's camp.
In order to determine the movements of the Nazgûl, Lenglinn has asked you to investigate the home of a hobbit named Baggins.
Lenglinn's camp is north of the Buckland Gate, north-west of Crickhollow.
When you spoke to Fredegar Bolger, he told you that the Black Riders had not caught him and so learned nothing from him, but he let slip to you something about a Ring belonging to the Enemy. As Fredegar was speaking, crebain flew out of the sky and attacked him, and though you defeated the crebain, two retreated into the Old Forest. You should bring this news to Lenglinn.
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.
Lenglinn asked you to seek Strider's counsel on how to find the crebain that had overheard Fredegar Bolger's words and escaped into the Old Forest. He fears that if the Enemy learns that this Ring they seek is no longer in the Shire, all may be lost.