Scientists assembled to prove their methods are effective in criminal investigation try to solve a series of murders.

Circumstance, an old flame and a mother-in-law drive a happily married couple to the verge of divorce and insanity.

Hank McHenry and Johnny Marshall work as power company linesmen. Hank is injured in an accident and subsequently promoted to foreman of the gang. Tensions start to show in the road crew as rivalry between Hank and Johnny increases.

Slammin’ Sammy Menacker is killed in the ring, and Gorgeous George is arrested for murder. Out to clear his name is his manager Lorraine and cop Ron Peterson, who was already on the scene to investigate the Mob’s influence on pro wrestling.

Young Scattergood Baines arrives in the small New England town of Coldriver. Through some shrewd business maneuvering, he manages to open up a hardware store. Twenty years later he has become a prosperous and respected member of the community, a member of the local school board and the owner of a railroad that transports timber to the local sawmill. Problems begin to arise, however, when a young schoolteacher he has hired turns out to be not quite what he expected, and the mill owners pressure Scattergood to sell them his railroad, with the idea of raising the transportation fees paid to them by the local loggers.

American multi-millionaire Michael Brandon marries his eighth wife, Nicole, the daughter of a broke French Marquis. But she doesn't want to be only a number in the line of his ex-wives and undertakes her own strategy to tame him.

When retired racket boss John Sarto tries to reclaim his place and former friends try to kill him, he finds solace in a monastery and reinvents himself as a pious monk.

Tim Dale is the son of the president of a big-city telephone company and quits his job following a dispute with his father over company policy. He takes up polo playing. Circumstances force him to give up his polo-playing and take on the job of helping a small-town telephone company overcome a plan by a gang to force the company out of business. He calls in his telephone-company pals Bob Hall and Jack to aid him against the crooks led by Matthews and Jackson, working for crooked lawyer Thomas Benton.

There's something very odd about Romano, a notorious gangster serving time in the federal pen. For one thing, Romano doesn't sound much like himself. For another, he always seems to be hiding something. Detective Lee suspects that something's amiss, and he's probably right!

Slip and Sach take the rap for a robbery they did not commit in order to uncover the real robbers, whom they suspect are led by a convict who gives orders to his gang outside via a short-wave radio stashed somewhere in the prison.