After discovering the true nature of the One Ring, Bilbo Baggins entrusts it to the care of his young cousin, Frodo, who is charged with bringing about its destruction and thus foiling the plans of the Dark Lord.
Bilbo Baggins, a respectable, well-to-do hobbit, lives comfortably in his hobbit-hole until the day the wandering wizard Gandalf chooses him to take part in an adventure from which he may never return.