Soon after a young woman breaks off her engagement to a doctor, the doctor is found murdered. Suspicion falls on his ex-fiancé and a pilot with a checkered past.

Captain Hugh "Bulldog" Drummond is called in to solve the murder of a man from whom two lead soldiers were stolen. Drummond learns that the two soldiers were part of a set of thirteen which formed the key to a hidden vault of treasure. Following some clever sleuthing and set-up on Drummond's part, the guilty man is trapped in the vault,which is hidden behind the fireplace.

A down-on-his luck businessman organizes an excursion to Sir Henry Morgan's Island for a treasure hunt only to encounter a mysterious phantom and murder.

An unsuccessful sculptor saves a madman named "The Creeper" from drowning. Seeing an opportunity for revenge, he tricks the psycho into murdering his critics.

A scientist who is working on a cure for influenza is victimized by his unscrupulous boss, who releases the vaccine before it's ready, resulting in the death of the scientist's son.

Artist David Stuart is blinded by a jealous model whose portrait he is painting. His fiance's father generously offers his eyes for a sight restoring operation. There's only one hitch: Stuart has to wait until after the man dies. Not surprisingly, when the benefactor dies a very premature death, suspicion falls on the artist.

Attorney Wayne Fletcher and his secretary have an affair. When Wayne's wife is found smothered to death, he becomes the prime suspect. As the police investigate the murder, a psychic with questionable motives tries to contact the deceased woman. Soon, Wayne begins seeing visions of his dead wife, and other people involved with the case begin to be killed, one by one.