Dede is a sole parent trying to bring up her son Fred. When it is discovered that Fred is a genius, she is determined to ensure that Fred has all the opportunities that he needs, and that he is not taken advantage of by people who forget that his extremely powerful intellect is harboured in the body and emotions of a child.

An experiment on a simpleton turns him into a genius. When he discovers what has been done to him he struggles with whether or not what was done to him was right.

The story is set at the beginning of the 20th century in Sicily. Salvatore, a very poor farmer, and a widower, decides to emigrate to the US with all his family, including his old mother. Before they embark, they meet Lucy. She is supposed to be a British lady and wants to come back to the States. Lucy, or Luce as Salvatore calls her, for unknown reasons wants to marry someone before to arrive to Ellis Island in New York. Salvatore accepts the proposal. Once they arrive in Ellis Island they spend the quarantine period trying to pass the examinations to be admitted to the States. Tests are not so simple for poor farmers coming from Sicily. Their destiny is in the hands of the custom officers.

Stephanie and Terry are identical twins who have been raised separately since their parents divorced seven years earlier. Each envies the lifestyle of the other; and they decide, without telling Jeff or Mary, to switch families for a day or two. They soon find that it is harder to do what the other person is expected to do, and that looking alike is not enough. When they find that their charade may bring their parents back together, they agree to continue it. A major complication begins when Alice, Jeff's girlfriend and co-worker, finds out the real story.