In the class struggle comedy “Parasite,” South Korea’s official Oscar submission for best international film, a low-income family schemes its way into the lives of a rich family.

In the class struggle comedy “Parasite,” South Korea’s official Oscar submission for best international film, a low-income family schemes its way into the lives of a rich family.

In the class struggle comedy “Parasite,” South Korea’s official Oscar submission for best international film, a low-income family schemes its way into the lives of a rich family.