Alma Alt, the sheltered youngest daughter of an interfaith, interracial Jewish-Mexican couple, rarely ventures far from her home on a wealthy tree-lined street in Ottawa, where nothing ever happens. The one time she did, striking out to visit her older sister, Marnie, in Montreal, things ended in disaster as she found out that beautiful, blonde Marnie had been lying about their family's background, trying to pass herself off as white. The unintended...