Special movie camera techniques are demonstrated - sped up footage and film reversal.
Trick film showing various special movie camera techniques. First we see a sped up swimming race.
"People tumbled over themselves to get away..." - sped up film of divers taking the plunge. "And when we descended, they retired in shoals..." Reverse motion footage of swimmers. L/S of a diver emerging from the water and back on to the diving board. "Then of course, we realised our Camera was lying, so we settled it at once. And all was merry and bright again..." A dive is shown without any tricks. Slow motion film of a diver taking the plunge.
Note: flash-frame intertitles.