Philo Vance interrupts a trip to Italy to investigate the murder of a fellow dog fancier. Stars: William Powell, Mary Astor, Eugene Pallette, Ralph Morgan, and Robert McWade IMDb Page this movie can also be found here.

When the wealthy Wall Street businessman Chester Hamilton (Sidney Blackmer) is arrested for missing the payment of due alimonies to his ex-wife, he finds his butler Oswald Groggs (Charles Ruggles) in the jail arrested for the same motive. Chester gives 2,500.00 $ to Oswald to pay his debts, but the butler gives only part of the money to his ex-wife and travels to the seashore on vacation pretending to be the wealthy "Sir" Oswald Groggs.

The city of Kleinschloss is infected with a dark scourge from the past. A Legion of bloodsucking creatures who can assume human form have returned to prey upon the unsuspecting citizens. Detective Karl Brettschneider begins investigating numerous gory deaths at the request of the burgomaster. Despite the obvious evidence, he refuses to accept the existence of vampiric human bats, but soon their existence proves all too real.

From IMDb: In London, a secret society led by lawyer Thaddeus Merrydew collects the assets of any of its deceased members and divides them among the remaining members. Society members start dropping like flies. Sherlock Holmes is approached by member James Murphy's widow, who is miffed at being left penniless by her husband. When Captain Pyke is shot, Holmes keys in on his mysterious Chinese widow as well as the shady Merrydew. Other members keep dying--Malcom Dearing first, then Mr. Baker.