德思奇是一架來自美國中西部小鎮的螺旋槳小飛機，專門噴灑農藥。他有一個夢想，就是有一天能夠參加環遊世界的國際級飛翔拉力賽，可是他本身卻有懼高症。經過朋友的鼓勵與說服，德思奇終於解除心防、克服困難，迎向在他的人生當中前所未有的大挑戰。 於是德思奇的勇氣與夢想將他帶到了國際大賽的現場，和來自世界各地的不同種類的飛機們一同參加比賽。比賽的路線是從美國出發、經過歐洲、越過喜瑪拉雅山、飛越太平洋，最後再回到美國。一路上，各式各樣的狀況一直發生，德思奇到底是否可以貫徹始終地完成環遊世界的比賽路線呢？

In order to protect the reputation of the American space program, a team of NASA administrators turn the first Mars mission into a phony Mars landing. Under threat of harm to their families the astronauts play their part in the deception on a staged set in a deserted military base. But once the real ship returns to Earth and burns up on re-entry, the astronauts become liabilities. Now, with the help of a crusading reporter, they must battle a sinister conspiracy that will stop at nothing to keep the truth hidden.

Mike and Danny fly a cropduster, but because of Danny's gambling debts, a local sheriff takes custody of it. Trying to earn money, they hitch-hike to the World's Fair in Seattle and, while Danny tries to earn money playing poker, Mike takes care of a small girl whose father has disappeared. Being a ladies' man, he also finds the time to court a young nurse.

The beauty of the land cannot mask the brutality of a farm town. As harvest draws near, Betty confronts a terrifying new reality and will go to desperate lengths to save her family when they are threatened with being forced from their land.