Helen Lester is in love with a man she has known just 24 hours, a playboy who spent time in jail for passing bad checks. Though the man has promised to change, most of her strait-laced relatives are up in arms. But Clare Lester, Helen's grandmother, says the girl is free to join the man she loves. On one condition, that she listen to the story of a day in Clare's own life and of a man she tried to change..
Alice, a widowed Frenchwoman, goes on a vacation to Italy. Upon her return, she relates the particulars of her holiday. Within a 24-hour time frame, Alice gets on the wrong boat, winds up in Switzerland where she whiles away the hours at a casino, meets a handsome young German army deserter named Thomas, spends the night with her new acquaintance, pays his sizeable gambling debts, and helps him elude the authorities....
After the tragic death from malaria of her beloved husband his rich widow Helga Vanroh travels restlessly around various Mediterranean countries. In the luxurious surroundings of a hotel in Monte Carlo Mrs. Vanroh keeps apart from society, until one evening she decides to visit the casino. There a young man attracts her curiosity and compassion..
A compulsive gambler stumbles towards losing everything when Merle Oberon decides to save him from himself..