故事讲述西摩在得到一株以吸取人血产生的奇异花卉后,不惜以牺牲自己的代价来赢取顾客的青睐和美人的芳心。然而在名利双收之时,摩西发现这朵奇花在长大的同时,自己已不能控制它的成长,并且生命也面临危险。良心与名利之间,摩西终于醒悟,于是正邪之战由此展开。该片因缘于歌舞剧,故不可 能成为主流作品,而且较正统歌舞剧所不及。其独特之处在于能说会道小花的电影特技和轻松插曲,总的讲仍不失为一部赏心妙品。Seymour Krelborn is a nerdy orphan working at Mushnik's, a flower shop in urban Skid Row. He harbors a crush on fellow co-worker Audrey Fulquard, and is berated by Mr. Mushnik daily. One day as Seymour is seeking a new mysterious plant, he finds a very mysterious unidentified plant which he calls Audrey II. The plant seems to have a craving for blood and soon begins to sing for his supper. Soon enough, Seymour feeds Audrey's sadistic dentist boyfriend to the plant and later, Mushnik for witnessing the death of Audrey's ex. Will Audrey II take over the world or will Seymour and Audrey defeat it?