Thyrsus, Washington University’s exploratory student theater group, hopes to raise questions about the ethics of self-advancement, luck, opportunity and students’ cushy lifestyles with its fall show, “Good People.

Though you might be tempted to explain away your friends’ erratic behavior as mid-semester stress, it could very well be “Reefer Madness.” The musical reenacts the ruin of dopey Jimmy Harper, who strays from his high school sweetheart Mary Lane for an enticing hit of a marijuana cigarette.