The Great Pursuit begins. The monster leaves a trail of clues for Victor to follow, but never allows his creator to get close enough to catch him.
During his chase, Victor meets Walton. We’re back to the story in a story now, where Victor is on the boat with that sensitive, superior guy who writes letters to his sister. Remember?
Victor asks Walton to keep up after the monster after Victor dies.
After that, Victor’s narrative ends.
Walton, for some bizarre reason, believes all of Victor’s lunatic ravings. He wishes he had known Victor when he was normal, too, because he thinks he would have made a good friend.
The crew asks Walton if they can head home already, because with the sub-zero temperatures and the stuck-in-the-ice situation, morale has gotten unbearably low.
Victor berates them for giving up, and they are momentarily moved to agree with him.
But two days later, they ask again, and Walton is all "Fine. We can go home."
When the ship is about to return to England, Victor dies. Just like that.
A few days pass.
Walton hears strange noises coming from the room where Victor’s body is. He finds the monster crying over Victor’s body. Exclamation point.
Walton is surprised. The monster is still ugly, especially when he’s crying.
Walton’s pretty nice to the monster, though.
The monster concludes that now that his maker is dead, he has no more life purpose such as killing Victor’s friends or leaving Victor puzzling clues or stalking Victor from afar.
Now that he has nothing left, the monster decides to build a funeral pyre for himself on a mountaintop and die. He leaves the ship and disappears into the dark.