监禁

　　Two sisters living separate lives on different continents are reunited on a Mediterranean Island. The two barely have time to bond and revive family ties as Kate, the elder, meets a group of locals and agrees to an exciting ride on a hot air balloon. But disaster strikes and as the result of a freak accident, the balloon is carried far out to sea. Their cell phones out of range, and the balloon running out of gas, Kate and her friends are battling for their lives. While, back on land, the younger sister, Liz, has become an unwanted "material witness" to a crime. Matters then take a dramatic twist, one that will mark their lives forever.

本片改编自同名短篇科幻小说，讲述了某一天开始在世界道路上行驶的无数球的故事，以交通事故为界变得无缘无故被人讨厌的男人的悲剧，因为圆盘故障开始与住在附近的宇宙人的交流等。

　　查理的前妻失踪了，于是他去了她长大的地方，一个位于西部的乡村城镇寻找她。 但是，令人惊讶的是，没有人知道她或她亲戚的所在。 然后他又遇到外星人，但是当他联系联邦调查局时，并没有人相信他。 他只好将故事登报，并随即受到了外星人的追杀。