九岁的小女孩Katie和父亲一起开始自己美国公路的旅行,在整个旅行的过程中,Katie遭遇到不同的情况,也发现了生活的酸甜苦辣。尽管他们遇到一些困难,但Katie和父亲之间感情却是十分美好。直到他们被卷进一个绑架儿童的案件中后,事情发展越来越恶化,Katie又会遭遇什么呢?9-year-old Katie has spent most of her life traveling the country in an RV with her father. One day she sees a portrait of herself on a missing child poster and realizes that the man she ...