Tony confides in Clay about the night of Hannah's death. Clay's nightmares about Hannah spill over into the daytime. Another student sabotages Hannah during a class project. Alex gets in a big fight at school and has to face the honor board. Hannah's date on Valentine's Day doesn't go as planned. Clay takes Courtney to visit Hannah's grave. Hannah and Clay connect at the school dance, but a crass rumor ruins the mood. Hannah's mother confronts the principal, and Clay strikes back at someone who wronged Hannah. Hannah thinks someone is stalking her and sets a trap. As Alex struggles with feelings of regret, the guys pressure Clay into getting drunk.
Jealousy and gossip take a toll on Hannah's relationships. Justin doesn't show up at school, and Hannah's mother finds something troubling. Hannah makes friends with Jessica and Alex, two other new students. As the school mourns the death of Hannah Baker, her friend Clay receives a box of tapes with messages she recorded before she committed suicide. After a teenage girl's perplexing suicide, a classmate receives a series of tapes that unravel the mystery of her tragic choice.
