Robert Walton finds Victor Frankenstein in the Arctics. Walton tries nursing the dying Victor Frankenstein. Victor Frankenstein then tells his story to Walton.
I will not do that daemon.
Create one like me but of the opposing sex.
Victor Frankenstein robs graves for numerous body parts. He then creates a creature out of them and runs away in horror.
Surely nothing can go wrong now.
The creature, after being abandoned by his creator sets off into the cruel world. After numerous encounters with humans, the creature wanders alone. When doing so he questions a small child who utters the name of his creator. This leads the creature to kill the small child.
All I wanted was love...
The creature explains his story to Victor. The creature then asks Victor to make a creature as horrid as he so he can be loved. Victor, however, refuses this offer. This leads to the creature killing Henry Clerval.
After Victor is released he goes to Geneva to get married to Elizabeth. The creature then strangles Elizabeth when she is unattended by Victor. Victor then snapped and decided that he would chase this creature to the ends of the world to get revenge.
After Victor had died on Walton's ship the creature had shown up. Seeing his dead creator, the creature realizes that he has nothing else to live for, setting himself aflame, committing suicide.