Charlie, a young and rather unassuming hospital valet, is about his work when he meets an old and enigmatic professor caught up in the affairs of other worlds. Charlie befriends the old man, Bruce, curious about an odd object he totes about on his key ring. Bruce obliges to tell his story, a story of how he spent the better part of his life trying to remember where he wandered and why, unraveling the meaning of the object and its significance to his remembering. The story, then, follows Bruce...