During a Caribbean holiday, a British civil servant finds herself falling in love with a Russian agent.
Architect Mark Wallace and his wife, Joanna, travel to France to meet with an affluent client. While there, they reflect on their first decade of marriage -- memories of when they first met, of courtship, and of road trips through the French countryside. As flirtation and playful quarreling turn to boredom with the banality of married life, the Wallaces struggle to rekindle their passion, while mutual infidelity threatens to tear them apart.
Unable, due to the seal of the confessional, to be forthcoming with information that would serve to clear himself during a murder investigation, a priest becomes the prime suspect.
A rich Brazilian, Mendoza, visited Paris in 1900 and was romantically involved with the star of Offenbach's 'La vie parisienne' which was playing at the time. Thirty five years later, he returns with his son and granddaughter, who is engaged to a young Frenchman. But Mendoza's puritanical son forbids the marriage. Mendoza and the actress's friends conspire to change his mind and convert him to 'Parisian life.'