In the hope of a successful marriage, Eugene, Baroness Münster, and her younger brother, the artist Felix, descendants of Wentworth, come to Boston. Having settled in the neighborhood, they become close friends with the young Wentworths – Gertrude, Charlotte and Clifford. Witness and sophistication of Eugene, along with the cheerfulness of Felix create a difficult combination with Puritan morality, frugality and the intrinsic dignity of Americans.