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During a break, college student Meg Dean (Jill St. John) takes a month-long tour of South America, but then decides to remain six more weeks in Sao Paolo, Brazil, to study with architect Eduardo Barroso (Paul Henreid). Panicked, Meg's parents, Robert (Clifton Webb) and Mary (Jane Wyman), and flirtatious sister Betsy (Carol Lynley) travel to Brazil, where Robert suspects the mature Eduardo of trifling with Meg. Meanwhile, a young pilot falls for Betsy. Wikipedia