Nine-year-old Rebecca Rubin eagerly helps her cousin Ana, newly arrived from Russia, to adjust to life in New York City, but when their teacher says the two must sing together at a school assembly, Rebecca worries that her big moment will be ruined.
While Rebecca Rubin helps her building's ailing superintendent take care of his homing pigeons, she puzzles over what to do with the Christmas centerpiece her teacher insisted she make but which has no place in her Jewish home.