In 19th century Vienna, Alfred and Josephine are discontent with their lives. He is tired of women only wanting him for his money and she is a woman used to wanting men for their money. They each separately decide to dress down and go walking in the park, hoping for something different. They end up meeting and falling in love with the others' assumed persona. In the present, best friends Monica and Sam are with their respective spouses, Lenny and Barb, on vacation. Lenny and Barb go to bed, leaving their friends to talk. The talk soon turns to the idea of having affairs, though they both recognize that they love their spouses very much. Soon the two friends realize that they are interested in more than just friendship.