A pretty young girl named Sappho is, despite her boyfriend's best efforts, determined to remain a virgin until she marries. One day she picks up a beautiful, busty hitchhiker named Brigitte, and finds herself attracted to the sexy young blonde.

During the brief 'Threshold' of time and space between life and death, the love that was denied during life comes briefly. 'Death' as personified by John Carradine, allows one last afternoon of love and peace before claiming with devastating finality.