"The Blue Landscape" (1955).

Illustration of Peter Lorre,
ca. 1935

In this episode of The Star and the Story, inspector Peter Lorre of the Sûreté takes on a case involving murder and the theft of a painting. Hillary Brooke costars as an insurance investigator. The script is a product of screenwriters DeWitt Bodeen (Cat People), Frank Burt (Dragnet), and Lou Rusoff (Terry and the Pirates).