Follows teenager Clay Jensen, in his quest to uncover the story behind his classmate and crush, Hannah, and her decision to end her life.
Dylan Minnette / Katherine Langford / Christian Navarro / Justin Prentice / Miles Heizer / Devin Druid / Amy Hargreaves / Brandon Flynn / Ross Butler / Derek Luke / Kate Walsh / Alisha Boe / Tiffany Wong / Charlotte Hervieux / Steven Silver / Michele Selene Ang / Josh Hamilton / Ajiona Alexus / Steven Weber / Bryan Box�
Hannah seeks help from Mr. Porter, the school counselor. Clay plays the new tape for Tony and weighs what to do next.
Hannah winds up at a party after an argument with her parents. The students are served with subpoenas, and Justin wrestles with conflicting loyalties.
Clay and Hannah grow closer. While Clay spends a heartbreaking night listening to his tape with Tony, tensions boil over at Bryce's house.
A distraught Hannah gets a ride home from the party. Jessica's behaviour grows increasingly erratic, and Clay learns the truth behind a tragedy.
Hannah witnesses a traumatic event at a summertime party. Clay tries to reason with Justin, and Marcus warns him that the worst is yet to come.
Inspired by a friend's poetry reading, Hannah pours her heart out. Tony confides in Clay about the night of Hannah's death.
Another student sabotages Hannah during a class project. Clay's nightmares about Hannah spill over into the daytime.
Hannah's date on Valentine's Day doesn't go as planned. Alex gets in a big fight at school and has to face the honour board.
Hannah and Clay connect at the school dance, but a crass rumor ruins the mood. Clay takes Courtney to visit Hannah's grave.
Hannah thinks someone is stalking her and sets a trap; Hannah's mother confronts the principal; Clay strikes back at someone who wronged Hannah.
Jealousy and gossip take a toll on Hannah's relationships; Alex struggles with feelings of regret; Clay is pressured into getting drunk.
Hannah makes friends with Jessica and Alex, two other new students. Justin doesn't show up at school; Hannah's mother finds something troubling.
As the school mourns the death of Hannah Baker, her friend Clay receives a box of tapes with messages she recorded before commiting suicide.