In 1970s Australia, Grace's life is troubled by misfortune and loss. After their mother dies during pregnancy, she and her twin brother, Gilbert, are raised by their paraplegic-alcoholic former juggler father, Percy. Despite a life filled with love, tragedy strikes anew when Percy passes away in his sleep. The siblings are forcibly separated and thrust into separate homes.

A tale of friendship between two unlikely pen pals: Mary, a lonely, eight-year-old girl living in the suburbs of Melbourne, and Max, a forty-four-year old, severely obese man living in New York.