Captain Walton rescues Victor in the North Pole and Victor tells his story as Walton nurses him back to health.
After learning about science and researching, Victor creates the creature but then abandons him.
After Victor flees in fear from the creature and realizes other people also fear him, the creature realizes he won't be loved by anyone. This causes the creature to get mad and want revenge on his creator.
Victor breaks his promise to the creature to make him a mate and in a fit of rage the creature kills Victor's loved ones.
Victor follows the creature North and this is the point in time when he met Walton and explains the whole story of how he got there. After telling the story, Victor dies.
The creature explains to Walton that he will go and kill himself because he doesn't want to be alive anymore since his creator is dead.