This Earth Is Mine 1959. Rock Hudson, Jean Simmons, Claude Rains, Dorothy McGuire
In 1930, Elizabeth Rambeau (Jean Simmons) arrives in Napa Valley, California, from London to stay at the winery owned by her grandfather Phillipe (Claude Rains), and her aunt Martha (Dorothy McGuire). Although Prohibition is in effect, Phillipe believes the winery can endure. Dismayed to learn that Phillipe has arranged her marriage to a vineyard owner next to the Rambeau's', Elizabeth is startled when her cousin John (Rock Hudson) romances her while plotting to sell the wine to bootleggers.