Human created many vehicles. Aircraft, which mastered the element of air has long ago ceased to seem miraculously. Considerably earlier ships subjugated the element of water. But restless human mind couldn't stop. And then a vehicle appears, taking off from water, rising above it, but not leaving it. What is it? Plane which can float? Or ship, which can fly? What is it? Such miracle of technological thought,, which exists on the edge of two elements?
Following aircrafts are featuring in this film: SM-1, SM-2, BE-1, VVA-14, "Skat", "Kalmar", "Omar", "Jeyran", "Zubr", KM ("Caspian Monster"), SM-5, SM-8, SM-6, "Orlenok", "Lun", "Volga-2", "Strizh", "Ivolga", "Aquaglide".