At a hotel in the middle of the Sahara, an old man and his daughter try to keep the location of a hidden treasure from a collection of thieves and criminals staying at the hotel who are determined to get it. A suave gentleman thief arrives at the hotel one day with his own plan to get the loot, but complications ensue when he begins to fall for the daughter.

Bar entertainer Zara is a discontented alcoholic who is pursued by many men but lives with novelist Carl Salter. One day, Tony shows up on Salter's estate claiming that Zara is actually Maria, the wife of his close friend Bruno, claiming that her memory was destroyed during World War I. Zara doesn't remember but leaves with Tony to Salter's dismay. Bruno, now an officer in the Italian Army, tries to coax Maria's memory back on his large estate. No one is really sure if Zara is Maria, and when Salter shows up with a mental case from Trieste that he claims is the real Maria, everyone on Bruno's estate is desperately searching for the truth.

On her first anniversary, Ann Reagan finds that her sister-in-law is involved with a shady character that she used to be intimate with, and determines to intervene.