Narrator stumbles upon the "melancholy" House of Usher.
Lady Madeline buried in the wall.
One foggy and stormy night, Roderick Usher comes in to read to the Narrator to calm him down because of the strange noises he hears.
Right when Roderick says he's hearing his sister, Lady Madeline's, voice coming from her coffin, he begins to fear that he buried her alive. A moment later, Madeline swings open the door, standing in the doorway covered in blood.
Lady Madeline dies after she jumps on Roderick, who dies of fear. The Narrator, on the other hand, fled "aghast" (horrified).
The Narrator watches as the walls of the House of Usher rushed "asunder" into the shouting voices of a thousand waters, disappearing entirely.