David Shields refuses to go into agriculture and opts instead for ship building

A story of two brothers, both writers of crime novels, one a fine, upstanding gentleman and the other a moody, neurotic, psychopath. The other is determined to create a 'faked' version of a perfect crime he intends to commit when an ex-convict visits them. They are both in love with their shared-stenographer-secretary.

A £20,000 insurance claim is lodged when a nightclub is destroyed by fire, and claims investigator Mike Davies is assigned to get to the bottom of things. One suspect is Harry Drayson, the club owner but if he torched his own property for the insurance, how safe are his other, heavily insured properties?

After a fight, a drunk is found dead, but is the cause of death heart failure or murder?

Katie attempts to save her father's failing garage, after he is killed during a stock car race. She is assisted by an American driver, Larry Duke, but unfortunately one of the creditors is determined to take the garage.

Several murders of nuclear scientists, that baffles Scotland Yard, occur in London around the same time that Bill Locklin, a special officer from the United States State Department, arrives to oversee the transfer of Professor Leon Dushenko, a Russian scientist who has fled the USSR. An attempt on Dushenko's life is made with a monkey's paw-print found at the scene.

A race car driver marries a woman for her money and plans to murder her. An old suitor steps in to help her but the driver takes steps to eliminate the rival. But there's a flaw in the driver's plans.

While casing a bank he intends to rob, gangster Leo discovers one of the clerks, Antonio, is his exact double. He kidnaps Antonio and robs the bank, posing as Antonio. But Leo hadn't accounted for the involvement of Antonio's wife, Dorothy.

Spies pursue a stolen diary aboard the Orient Express.