Aragorn: Sam, do you know the Athelas plant?
Sam: Kingsfoil, aye, it's a weed.
Aragorn: It may help to slow the poison. Hurry!
Frodo has been stabbed by the blade of a Wraith. On their way to Rivindell the Hobbits with their new guide Aragorn, stop for a moment to tend to Frodo.