Buster plays Elmer "Happy" Triple, a scientist who is expected to develop the next big thing. That big thing ends up to be a powder when combined with water, produces major blasts that make no sound, which catches the eyes of three robbers who want Elmer's secret powder.

George wants to marry Lena Schmidt but her father disapproves. Tom calls on old man Schmidt to fix things up for his friend George. He calls on the wrong Schmidt, who also has a daughter named Lena, and the two think Tom is there to ask for her hand for himself. Arrangements are made for a marriage but Tom and George think the intended bridegroom is George, as George does not know the wrong Schmidt was approached by Tom.

After a former model is drowned in her bathtub, Detective James Halloran and Lieutenant Dan Muldoon attempt to piece together her murder.

In this delightfully spooky supernatural farce, from the later days of Educational Pictures, character actor Charles Kemper is haunted by a ghost he buys from a drunk.