本片讲述了一对夫妇克服重重困难治疗抚养孤独症孩子的真实故事。陷入绝望的父母，为了让6岁的凯尔学会与他人沟通，买了一只小狗，希望在这只可爱的拉布拉多犬及他们的不懈努力下，儿子能学会情感交流。终于，他们发现小狗托马斯做到了这一切。本片讲述了男孩凯尔与小狗托马斯的精彩感人的故事。
After Thomas is the true story of one couple’s struggle to meet the challenges of bringing up an autistic child. Desperate for six-year-old Kyle to relate to them and others, they buy him a puppy in the hope that the affectionate Labrador, coupled with their own tireless efforts, will encourage their son to understand emotional interaction. The film is a fascinating and moving account of two parents who find that Thomas the dog does just that.