In the beginning of the story the exposition is given with the reader finding out that Montressor is seeking revenge on Fortunato for the "thousand injuries of Fortunato I had borne". When Montressor sees Fortunato drunk he knows that now is the perfect oppurtunity to kill with impunity
I have received a pipeof what passes for Amontillado, and I have my doubts.”
Then, the rising action in the story starts. Once Fortunato goes to Montressor's house Montressor does everything in his power to manipulate him to go down to the cellar.
Oh no it's fine Luchresi can come...
No, no, no let the true wine connoisseur do it!
The rising action continues with verbal manipulation as they make there way down to the cellar.
Oh no you are getting sick if you want to turn back...