Captain Walton finds Frankenstein chasing the monster through the North Pole and invites him onboard his ship to rebuild his strength. Frankenstein then tells his life story, explaining his love of science.
Frankenstein realises he can bring life back to dead things and sets about creating a creature to bring to life. He makes this creature out of dead human body parts.
Frankenstein is so horrified by his creating he runs away and abandons it. The monster is shunned by society so he seeks out his creator. Filled with hatred for Frankenstein, the monster kills William, Frankenstein's youngest brother.