Lennie and George build a camp and start talking about their dream they start talking about how they need to find a job and how Lennie keeps getting in trouble.
After talking with Candy, George tells Lennie not to speak during the interview because if he does then they wont get the job, George tells the boss that Lennie is strong and a hardworker and they both get the job.
Curley gets into a fight with Lennie and Lennie does not want to fight Curley, Lennie gets hurt during the fight and does not fight back until George tells him to, George tells Lennie to fight back and ends up crushing Curley's hand.
Lennie walks into crooks room and they start to talk. Candy then comes looking for Lennie, and finds himself in crooks room. Curley's wife then comes into crooks room and sets crooks in his place.
Lennie accidentally kills his puppy by bouncing it too hard and also kills Curley's wife by not letting go of her hair, Lennie starts worrying that he won't get to tend to the rabbits like George said because he killed Curley's wife.
George finds out about the death of Curley's wife and takes Carson's gun he finds Lennie and tells him to look at the river like he can see the ranch. George tells Lennie about the dream and kills Lennie.