We meet George and Lennie. We find out that Lennie likes to pet things and George tells Lennie that if he gets into any trouble that he should come back here to wait for George. Foreshadows that something bad could happen.
We meet Curley and Candy and we notice that Curley doesn't like Lennie. Candy's dog dies and slim's has puppies.
Lennie is given a puppy. George, Lennie and Candy talk about owning land then Lennie crushes Curley's hand.
Lennie tells Crooks about his dream of owning land and Crooks scares Lennie by telling him that George might not come back. Curley's wife threatens Crooks.
Lennie accidentally kills his puppy. Curley's wife tells Lennie her story then Lennie kills her. Lennie runs away and when Curley's wife's body is found, the men chase after Lennie. (climax)
Lennie runs away to the river then imagines being told off by his aunt. George finds Lennie and tells him about their dream one last time before shooting and killing Lennie.