A man makes electrically powered model planes and boats for pleasure.
C/U shot of a great looking red model monoplane. L/S of a back garden where a young man is kneeling among the monoplanes, working on them, while older man is seen leaving a house carrying the body of a plane - wings are missing. M/S of a man placing the unfinished thing on the table and starts working on it. This is Colonel H. J. Taplin, a man who builds these radio controlled electrically powered models. C/U top shot of an engine of the plane Colonel Taplin is working on. C/U shot of another part of the engine. C/U shot of the Colonel fitting a gauge on the side of a plane.
A young man comes with the wings. He is Colonel's son (and assistant) Michael and the two are seen together working on assembling the plane. M/S of the Colonel carrying the finished model and Michael carrying a control panel of the plane. Model is ready to be tested. Several shots of the father and son testing the plane model on the field. Cut to a little model boat sitting in the grass. Strange transition between the shots indicates that plane testing might have been unsuccessful.
M/S of Colonel Taplin next to the pond. He is working on his boat model while Michael comes to assist him. High angle C/U shot of the boat's little engine. Colonel Taplin starts the motor. M/S of the two, Colonel Taplin and Michael trying to launch the boat. Michael is holding it while putting the top part on. High angle C/U shot of the boat being launched. M/S of The Colonel operating the plane from a command board in his hands. Several shots of a little boat circling and moving around in several directions under control of Colonel Taplin's hands.