The story: Rick Steadman (played by Hamill), was injured during the Vietnam war, and while unconscious, was saved from certain death by fellow GI Willum Cubbert (played by RobertJoy).
The ostensible cause, according to Robert Mondavi's autobiography "Harvests of Joy, " was Peter's accusation that Robert had dipped into company funds to buy his wife a mink coat, but tensions had been building for years between the two, who had different visions for the Charles Krug winery, which their immigrant father had purchased in 1943.