在这部奇迹狗剧情片中,芬是个棒球高手，他的爸爸妈妈离婚了，芬和妈妈搬离原来的城市并转了学，但每个学校都有个欺凌弱小的孩子，芬就经常被新学校里的同学卢克嫉妒棒球天分而受到欺负。一次被卢克强行拿走手机后，芬悄悄尾随卢克，发现一只被同类霸凌的狗狗，感到同病相怜的芬要求妈妈养狗，遭到妈妈严厉拒绝。芬半夜私自从卢克家中救出了受伤的狗狗，卢克却从窗子边盯着呢……芬给狗狗起名为马歇尔，在给马歇尔洗澡的时候被妈妈发现了……人和狗狗之间总有着一种奇妙的缘分，它们让人内心柔软的时刻，奇迹也可能就这样发生……
A 13-year-old boy becomes the target of bullies at his new school and is feeling hopeless, until he finds Marshall being caged up by a dog-hoarder in deplorable conditions. Finn knows he must rescue Marshall, but he has been abused by the other dogs and needs to see the vet right away. The bond of friendship is immediate.
