When Orval Slattery, one of the three owners of Chateau La Mer winery, is murdered, a host of suspects is implicated, including members of the auto racing community. Luz Maria Dane, investment advisor to the Slattery clan and part-time manager of Amberson-Harwood Racing, steps in to figure out who wanted Orval dead and why. From the Sonoma Raceway to the Napa Valley, Luz looks for clues at the track, at the winery, and in the corporate boardroom...