After his doctor informs him he will die in six months, Professor Henry Todhunter decides to spend his last days killing someone who contributes nothing but harm to society. When Henry learns that his friend Betty's husband, Michael, has been painting forgeries of ancient paintings for gallery owner Ketti Moret, he investigates the fraudulent dealer's life. Judging that Ketti is truly evil, Henry prepares to murder her.

In the second film of the series (and not a second part of anything), Gay Lawrence, aka The Falcon, is about to depart the city to marry his fiancée, Helen Reed, when a mystery girl, Rita Mara, asks for his aid in disposing of a secret formula for making synthetic diamonds. He deliberately allows himself to be kidnapped by the gang for which Rita works. His aide, "Goldy" Locke, trails the kidnappers and brings the police. But the head of the gang escapes, and the Falcon continues the pursuit.

The Falcon travels to Mexico where he gets involved with murder and a mysterious painting.

Biopic chronicling the early life of gay nineties-era songwriter Paul Dresser as he outgrows his job as carnival entertainer and moves up into New York society, writing one hit song after another. Despite his egotistical behavior, he manages to woo and win Sally Elliott, one of the more popular songstresses of the day

Paris plumber Elmer Tuttle is enlisted by socialite Patricia Alden to help make her lover Tony Lagorce jealous. With the help of his friend Julius J. McCracken and through the high society contacts he has made through Patricia, Elmer hopes to find financing for his latest invention, a pistol with a range-finding light. Comic complications ensue when Elmer's effort to interest a military leader is misconstrued as an assassination attempt.