A chance encounter in a Chicago park between inquisitive 4-year-old Mary and the eccentric Mildred begins a lifelong, unconventional friendship.
Despite her mother's admonishment not to engage with Mildred, Mary finds herself drawn to the kind Bird Lady.
Impressed by Mary's independence and creativity, Mildred shares the lessons of her gilded life and becomes a mentor for Mary.
In their moments together, Mildred teaches Mary about courtship, manners, ethics, art, culture, and life's little luxuries.
Through the twists and turns of Mary's life, Mildred's influence is felt time and again, like a gentle beacon guiding Mary toward her true passion.
