Imagine a sophisticated thirty-two-year old Nancy Drew who has a career as a wine magazine writer, is not interested in monogamy, and has the kind of sex appeal only an independent woman can possess. Meet Jean Applequist.

Though she despises the groom, Jean boards an elegant yacht in San Francisco Bay for the wedding of her good friend Diane and wealthy real estate developer Martin Wingo. But things go terribly wrong, the evening ending in tragedy