Clay Jensen receives a package of tapes in the mail with no return address from one of his classmates Hannah baker who had killed herself two weeks before as he struggles to hear the tapes of Hannah he also follows this map that Hannah had put in his locker a week before she committed Suicide as clay travels star to star he hears the stories of people who have hurt Hannah. And drove her to kill herself you only hear the tapes if you had something to do with it so if you don't pass the tapes on they will be release to everyone clay listens to the tapes and he fails to see who he can trust person by person clay has some type of incounterment with everyone else on the tapes and trays to help Hannah out with the last tape she couldn't get around to