Two friends are army officers, and the turbulent times throw them from the Civil War in the early 20s to the Soviet conflict in Finland, from China to the Urals.
Three London gentlemen take vacation rowing down the Thames, encountering various mishaps and misadventures along the way.
A starship crashed on an uninhabited planet and its crew had to abandon it. Years later the survivors and their children try to return to the ship and send a distress signal. But for that they must go through a very dangerous mountain passage.