The beautiful woman and the brave man disembark the train at the tiny station in the desert. He is the test pilot of the hypersonic nuclear-powered plane called Cyclone, and she is the physicist studying the strange phenomenon encountered by the first flier of the Cyclone jet, named Kazantsev.

During WWII a troop train is stuck at a small railway station. A young lieutenant gets close to a local girl, then the war separates them. Twenty years later he happens to arrive at the same station and finds out that she'd waited for him for many years.

A pilot and his twelve years old sun are going to shoot an underwater pictures but suddenly get into big troubles.