A man invents a new cleaning machine. His brother in law offers to help him promote it and they get help from the Purity League.

A race car driver marries a woman for her money and plans to murder her. An old suitor steps in to help her but the driver takes steps to eliminate the rival. But there's a flaw in the driver's plans.

A circus barker stages a sensational new act, the world's longest fast undertaken by “Sapolio”, on view in a glass cage. But this act also results in several murders, a kidnapping, and a poisoning!