在伦敦任教三十年后，马克·萨克雷退休并回到芝加哥。然而，在市中心学校接触孩子们的挑战是不可避免的。
Sidney Poitier
Mark Thackeray
Christian Payton
Wilsie Carrouthers
Dana Eskelson
Evie
Fernando López
Danny Laredo
Casey Lluberes
Rebecca Torrado
Michael Gilio
Frankie Davanon
LZ Granderson
Arch Carrouthers
Bernadette Speakes
LaVerne Mariner
Jamie Kolacki
Stan Cameli
Saundra Santiago
Louisa Rodgriguez
Cheryl Lynn Bruce
Emily Taylor
Lulu
Barbara Pegg
Judy Geeson
Pamela Dare
Daniel J. Travanti
Horace Weaver
