Chris McCormick is a highly paid fashion model whose image serves as the driving force of the ad campaign for a popular brand of lipstick and can be seen in magazines and on billboards all around the world. Gordon Stuart, a part-time composer and full-time music teacher, eagerly accepts Chris's 13-year-old sister Kathy's invitation to come to a secluded beachside photo shoot, so Chris can listen to some of his music. He arrives at her apartment one day to visit her, but is interrupted by a phone call from her lover, Steve Edison.