Jack Hopkins

The film is about a doctor who creates a soulless man. In the end, it turns out that a young man has dreamed the events of the film after falling asleep reading Mary Shelley's novel.

Al's father, Professor Rockenrye has discovered a gasoline substitute. He can drop it on a toy train or wind up toy, and the train will start running and the toy will start moving. Al's girl Rose is at his house and opens the door when Al's rival arrives. The big lug is there to whisk her away and marry her. Stupid Al gives the rival a drink of the formula, causing the rival to spit fire. Al then spills all of the remaining formula, ruining the Professor's hope of fame and fortune.

When Henry Howland, the great philanthropist, feels his health failing, he makes his will and entrusts it to his nephew, Walter, to file away in his private safe. Impelled by curiosity, Walter opens the will and discovers that his uncle has cut him off with a mere pittance, leaving the major portion of his estate to charity. He cleverly forges a new clause to the will, and is in the act of substituting it for the original when surprised by his uncle.