The tight-knit Garvey sisters have always looked out for each other. When their brother-in-law winds up dead, his life insurers launch an investigation to prove malicious intent—and set their sights on the sisters, all of whom had ample reason to kill him.

The renowned Insurance International Co. has created an enquiry network, headed by detective Jack Clementi, to defend itself against insurance fraud. Jack has saved the company enormous amounts of money throughout his successful investigations and his bosses are more than willing put up with his brusque manners, his disconcerting frankness, and his intolerance for any form of company bureaucracy. Yet he is a big guy with a huge heart.

Choi Kang-Woo is a former detective, but he now works as a veteran insurance investigator. He leads a team that attempts to reveal insurance fraud cases.

The Investigators is a short-lived American adventure/drama television series that aired on CBS from October 5, to December 28, 1961.

Dick and the Duchess is a rare 1950s CBS situation comedy filmed and set in London.

In the story line, Jane's family had difficulty accepting Dick both as an American and a "commoner". Jane often got involved in a comical vein in Dick's insurance cases. Beatrice Varley appeared in a supporting role as Mathilda.

Kashiwagi Natsuko, who has stayed in the US for a long time, is a new investigator of Adjust Research, an insurance investigation firm. She possesses scientific genius and vast personal wealth, but has a tendency to feel out of place in Japanese society which is overly logical. On the other hand, Tono Aki is a veteran investigator in the same company. Born in the old part of Tokyo and a former delinquent, she is rather stingy because she lived in poverty when she was growing up. However, she has superb memory and animal instincts. Natsuko and Aki make an odd combination as they confront ingenious crimes associated with insurance money and expose the truth.