The story of Thirteen Reasons Why takes place in a small town in present time. The town is not actually named in the book, but author Jay Asher explains that many of the places Clay Jensen visits from the map are places similar to those from his own home town.
The story begins with the narrator ,Clay, revives a mail package with no return address on it. Clay opens the package and learn that there are a total of seven cassette tapes and thirteen stories that were recorded by Hanna who killed herself about two weeks ago. On the first tape, Hannah tells her listeners that she holds each of them responsible in some way for her death, and that the tapes will explain why. After listening, each person must give the tapes to the next person on the list. She says that if anybody fails to pass them along, a copy of the recordings will be made public. The tapes also come with a map that listeners are meant to physically follow as they listen to her story.
According to Hannah, the people on her tapes are to blame for her suicide. Clay is obviously on the tapes, but he can't see why. He's compelled to listen to find out, but the idea ties his brain in knots. This conflict stays with him through the entire book, and will probably stay with him for the rest of his life.
The story rises as Clay listens to the tapes and finds out the reason why other people are on the list. At the same time he gets more and more suspensive about when is he going hear Hanna talks about him in the tape and what did he do to make him part of the event.
When Clay finally gets to his tape, Hannah reveals that she doesn't actually blame him for her suicide. But Clay is starting to realize that even though he didn't do anything bad to Hannah, he let rumors about her stand in the way of