Bandits led by Matt the Mute enter a bar and kill multiple people. Randy Bowers comes to town and is framed by Matt the Mute, who is working with the sheriff, who doesn't know that Matt is really a criminal. Matt the Mute writes out everything he wants to say. Randy escapes with the help of Sally Rogers, the niece of the dead owner of the bar. Bowers runs from the sheriff, and ends up in the cave in which the bandits have their hideout. They kidnap Sally, who escapes with the help of Bowers. Matt the Mute is killed when he enters the bar, which is filled with explosives, and the niece marries Randy.
皮博迪（泰·布利尔 Ty Burrell 配音）是一条与众不同的小狗，它拥有绝伦无比的高智商，因此注定拥有迥异于同类的“狗生”。它持有哈佛学位，成功开发了新能源，圆满解决地缘政治，还创立了属于自己的公司。皮博迪偶然机缘下收养了和它有着类似经历的人类小孤儿舍曼（麦克斯·查尔斯 Max Charles 配音），它如同慈父一般悉心教育着他的儿子，并利用自己开发的时光机带舍曼回到未来每一个重要时刻，亲身经历书本上枯燥的历史事件。转眼舍曼到了上学的年龄，他丰富的历史知识得到老师表扬，却也引来高傲的小姑娘佩妮·彼得森
