Wallace

A Scotland Yard detective is investigating a string of robberies and a murder, and the information he uncovers leads him to the estate of a wealthy but strange English family, who share their mansion with a group of nuns. The detective comes to suspect that neither the family nor the nuns is quite what they seem to be.

A group of crooks accidentally kill an elderly shop assistant while stealing the keys to the jewellery shop where she works. When his superiors think that the case is better handed over to Scotland Yard, the local detective inspector, Sparrow, decides to go solo to investigate the crime himself.

A London slasher pack the suitcases of his victims before stabbing them to death in this adaptation of Edgar Wallace's 'Secret of the Black Suitcases.'

Inspector Bradley of Scotland Yard is on the trail of the murderous ringleader of a smuggling organization in London.

Police try to solve a murder on board an ocean liner.

A former district officer is assigned to work on a team of diamond prospectors, who are busy double crossing each other until they are blown up having found bullion.

The police investigate the murder of an officer, killed during a jewel robbery.

Lady Osborne's gardener becomes the victim of a burglar when he catches him in the Lady's house. Soon more mysterious murders occur and Inspectors Higgins and Lane suspect a connection between the victims and the Lady's long-dead husband.

A woman tries to protect her family's name when one relative becomes a murderer.

There is good reason for Sir Douglas Wonderly to summon the family and a lawyer to his stately home. He wants to announce a change in his will. At the same time, a dangerous mental patient escapes from a nearby psychiatric ward. Higgins and Lane are put on his trail. But the arrest of the psychopath proves to be extremely difficult. Shortly thereafter, a mysterious hooded man is on the loose in the castle. He frightens Sir Wonderly so much that the old man suffers a shock and falls into a coma. But that's not all: the will suddenly disappears and two sons are murdered. Sir John personally intervenes to solve the case with Higgins and Lane.

The police investigate the murder of a wealthy old man.