A ten-year-old girl discovers the modern delights of turn-of-the-century New York City when she travels there with her grandmother to visit relatives.

Samantha's birthday party is nearly ruined when Eddie Ryland plays a mean trick. Then Agnes and Agatha, Cornelia's ten-year-old twin sisters, save the day with

When Samantha's tenth birthday party is spoiled by the boy next door, Aunt Cornelia and her young twin sisters try to ease Samantha's disappointment by inviting