Charles Bowers is once again an eccentric inventor. This time, he has only a matter of hours to debut his extraordinary new invention in order to collect a huge bequest from his deceased father. Along the way, his evil uncle tries to sabotage the machine, so the inheritance will go to him.
When a mysterious figure appears to cause a series of disruptions at the Frisbie Home in New York, word goes out to Scotland Yard that the Fuzz-Faced Phantom is at work. Soon, Charley MacNeesha and his assistant MacGregor are sent across the ocean to investigate.
Charley invents a machine that turns ordinary, breakable eggs into rubbery, unbreakable ones for transport. He builds a Rube Goldberg contraption of parts stolen from his neighbors. Rival egg companies want his invention, one of them stooping to sabotage to get it.
Charley asks for his girlfriend's hand in marriage, but her father, the police chief, angrily refuses to allow her to marry anyone who is not himself a policeman. Charley then decides to join the police force, so that he can win her. But when he applies, he is rejected because he is too small. Charley doesn't give up, and he soon thinks of a way to avoid the size restriction - but simply joining the force is only the first challenge that he has to face.
The Liars Club is holding their contest to see who can tell the most unbelievable story, with a gold medallion waiting to be awarded to the winner. Disappointed with the other members' bland efforts, one member brings in Charley Bowers, who has an extraordinary tale to tell. Charley claims to have invented a magic potion that enables him to grow absolutely anything by a simple grafting process, and he proceeds to tell his story to the club.
Only a few minutes remain of this partially lost film. A scientist discovers a potion that restores things to their original form: pets, jewelry--endless possibilities. His assistant wonders about its applications, with comical results.
Charley is obsessed with learning the Charleston, so he can enter and win a local contest, which promises a large prize and the hand in marriage of a beautiful woman.
When Charley asks a young woman whom he is in love with to marry him, she tells him that he needs to get her father's consent. But when Charley then goes to see her father, who owns a restaurant, he ends up getting hired as a dishwasher instead. The rest of the kitchen staff soon find out that Charley is not a member of their union, and they go on strike. Charley is left by himself, leading to a series of upheavals in the restaurant, and a great invention.
Charley attempts to invent a non-slippery banana peel.
