No one ever paid much attention to Muriel and her humdrum small town life, so she and her best friend Rhonda decide to leave it behind and head for the big city ... where they end up having the exciting adventure of their lives! What's more, soon everyone takes notice when Muriel becomes engaged to a handsome and popular sports hero!

Blondie O'Hara resorts to desperate measures when her low-level hood husband Johnny gets caught trying to steal from Seldom Seen, a local crime boss operating out of jazz haunt The Hey-Hey Club. Out on a limb, Blondie kidnaps laudanum-addled socialite Carolyn, hoping her influential politician husband can pull the right strings and get Johnny out of Seldom Seen's clutches.

Julia is an art restorer who is restoring a fifteenth-century painting. Her work on a Flemish painting reveals a hitherto undiscovered Latin phrase which translates as "Who killed the knight?". She goes to the art authorities she knows to find out what it might mean. Oddly, at the same time, a series of murders, including art experts, patrons and restorers has Julia scrambling to find out what is happening. She finds that the mystery of the painting...