Seymore (Jonathan Haze), who works for a florist on Skid Row, develops an unusual little flower for his girlfriend and names it Audrey Jr. Once in the shop Audrey Jr. becomes an instant hit with the customers. But the sweet little flower is a monster in disguise, needing human blood to survive. It terrorizes Seymore, bellowing "FEEEED MEEEE" when it's hungry. In a misguided attempt to keep everyone happy, Seymore murders several of the regular customers to supply blood for the increasingly hungry plant. Finally unable to take it anymore, and with knife in hand, t the young man leaps into the gaping mouth of Audrey Jr., destroying himself and the plant.