The story takes place in the bustling city of New York, where the rich wear suits and attend grand banquets crisscrossed by cups and cups, while the poor are immersed in a brief paradise made of alcohol and drugs in the dark. The unfortunate past makes Helen (Kitty win Kitty Winn) full of pain and confusion in her heart. she wants to escape from the painful life, but she can't find the right way. By chance, Helen met a young gangster named Bobby (Al Pacino Al Pacino). We were both sad people who had fallen into the world, and the two of us in similar circumstances gradually got together. With the passage of time, Helen discovered that Bobby was actually an irredeemable drug addict, and Helen fell. The poison is boundless, Helen's demand for drugs becomes stronger and stronger, and she even chooses to sell her body in exchange for drug money. Knowing all this, Bobby is in deep pain.