Living with her father and stepmother in Naples, Anna is very unhappy as her stepmother hinders her attempts to live her own life. While her parents are away, she goes out with Carlo, but finds herself locked out when she comes home. This angers Carlo and he asks Anna to go away with him to Rome, where he plans to liquidate his business assets in order to have money for marriage. He quarrels with his partner and is implicated when his partner is found murdered. Although innocent, he is convicted and given a long sentence. Anna has a child and, finding it impossible to support her child , returns to Naples. The stepmother's conditions are that before she will agree to house the child, Anna must commit herself to a reformatory for unmarried mothers.
八公（Forest 饰）是一条谜一样的犬，因为没有人知道它从哪里来。教授帕克（理查·基尔 Richard Gere 饰）在小镇的火车站拣到一只走失的小狗，冥冥中似乎注定小狗和帕克教授有着某种缘分，帕克一抱起这只小狗就再也放不下来，最终，帕克对小狗八公的疼爱感化了起初极力反对养狗的妻子卡特（琼·艾伦 Joan Allen 饰）。八公在帕克的呵护下慢慢长大，帕克上班时八公会一直把他送到车站，下班时八公也会早早便爬在车站等候，八公的忠诚让小镇的人家对它更加疼爱。有一天，八公在帕克要上班时表现异常，居然玩起了以往
