After Janet accepts Brad's marriage proposal, the happy couple drive away from Denton, Ohio, only to get lost in the rain. They stumble upon the castle of Dr. Frank-N-Furter, a transvestite who is holding the annual convention of visitors from the planet Transsexual. Frank-N-Furter unveils his creation, a young man named Rocky Horror, who fears the doctor and rejects his sexual advances. When Frank-N-Furter announces that he is returning to the galaxy Transylvania, Riff Raff the butler and Magenta the maid declare that they have plans of their own. (An audience participation film)