While skiing an Interpol agent is shot and killed in the Alps of Switzerland. Not long afterward, "Patricia Foster" (Doris Day) is caught red-handed trying to sell industrial secrets from the cosmetics firm she is employed with to a rival company. She is immediately terminated and subsequently hired by the rival American firm to become an industrial designer for them. This results in her working with a man named "Christopher White" (Richard Harris) who is actually a secret agent employed by the same firm that initially fired Patricia. Or so it all seems. What follows is a complicated story involving industrial espionage, double agents, secret formulas and murder. Anyway, as I said before this is a complicated story and in order to fully understand it a person has to see this movie all the way to the end. Along with that I think a person needs to take into consideration the fact that this movie was filmed in 1967 and as a result some of the action may seem rather basic by today's standards. Likewise some of the humor may seem a bit tame as well. Even so, although some of it seems quite mild it was an enjoyable movie for the most part. Doris Day and Richard Harris do a decent enough job and Irene Tsu (as "Su Ling") looks quite nice even if her role was somewhat limited. All things considered then, I rate this as about average.