Doris Day plays a swinging, mod-attired agent of espionage (yes, that Doris Day) in this caper comedy directed by Frank Tashlin. Patricia Fowler (Day) is an industrial spy who is hired to work undercover at a cosmetics company. While posing as a low-level employee, she is to get the goods on a new formula they intend to market. However, it turns out that makeup isn't all this firm has to sell; they're also involved in an international drug-smuggling ring, and she finds herself doing battle with other agents willing to kill to ensure that the flow of narcotics is unabated. Her adventures cause her to cross paths with Christopher White (Richard Harris), a fellow agent with whom Patricia is soon romantically involved, and together the couple locate the secret lab of cosmetics tycoon and evil genius Stuart Clancy (Ray Walston). While this was a game attempt to update Day's squeaky-clean image, it was not terribly well received; one year and three films later, Day retired from movies to devote herself to television work, and quit showbiz altogether in 1973 (with the exception of a short-lived talk show that aired in 1984).