After a teenage girl's perplexing suicide, a classmate receives a series of tapes that unravel the mystery of her tragic choice.

Cast members, writers, producers and mental health professionals discuss some of the difficult issues and themes explored in "13 Reasons Why."

Pittsburgh, Pennsylvania, 1991. High school freshman Charlie is a wallflower, always watching life from the sidelines, until two senior students, Sam and her stepbrother Patrick, become his mentors, helping him discover the joys of friendship, music and love.