Guests at a posh Berlin hotel struggle through worry, scandal, and heartache.

When a small town doctor buries his twin brother, a practitioner of the black arts, he believes him dead; but subsequent events force him to realize that his brother has, in fact, returned from the dead as a vampire and is seeking revenge on the doctor, who had killed him in self-defense.

Eccentric tycoon Jasper Whyte hosts a dinner at his mansion and announces that he will divide his money and give each guest a million dollars before the stroke of midnight. When his long-lost granddaughter suddenly arrives, Whyte changes his mind and proclaims that she will receive his entire fortune. A second lady appears at the estate, claiming that she is actually Whyte's granddaughter, Doris Waverly, and the first woman is found murdered in her room! With each guest possessing a motive, the mystery of the killer's identity briskly unfolds through a stirring series of surprises.

A philanthropist's will dictates that four people receive $5,000 apiece, with the stipulation that the first one who can double the amount -- without dishonesty-- will win a cool million. Hindering the four are the avaricious relatives of the late millionaire.

On the day of his wedding, Sir John Carteret's fiancée, Moonyeen, is killed by a jealous rival named Jeremy, leaving him emotionally devastated. Carteret spends three decades in seclusion, mostly communing with the spirit of Moonyeen, until he learns that her niece, Kathleen, has become an orphan. He adopts and raises the child as his own but is alarmed when, as a young woman, she falls in love with the son of Moonyeen's murderer.

The Great Elmer and Company, two out-of-work magicians, help lovelorn Jerry Bronson adopt Spanky Milford, to distract him. When Bronson makes up and elopes, the pair are stuck with the little boy. But Spanky inherits a Kentucky fortune, so they head south to Banesville, where the Milfords and Wakefields are conducting a bitter feud.

When crime boss Big Mike Morgan is killed, his lieutenant, "Doc" Rogers, learns that Morgan has a son named Edward living in the country with his mother. Rogers has naïve Edward brought to the city and installs him as the head of Acme Protective Agency. Good-hearted Eddy assumes his company provides insurance, rather than extortion-- But don't be too hard on the guy, he still doesn't know he's Baby Face Morgan, the most feared gangster in the city!

At Satan & Co., Inc., the devil is upset because too many people are going up to Heaven rather than down to Hades. He gives his assistant, Mr. Burns, the task of getting more people to his domain. In front of a nightclub, Mr. Burns invites a crowd of people to come inside to The Devil's Cabaret to be entertained. After they enjoy songs and dancing, the people go willingly to Hades.

A middle-aged houseguest causes romantic turmoil when he falls in love with his host's teenage daughter.

A rookie cop and his girlfriend's uncle, a police captain, disagree on the methods that should be used to catch criminals.