Sophisticated international rogue Fred Cortin has devoted a lifetime to the study and practice of imaginative confidence games. When he encounters his divorced, wealthy daughter, Edith Brooks, on the French Riviera, he devises a plan to protect her from a rash of unwanted suitors by creating a husband for her who doesn't exist. As the moneyed international set in Monaco and along the Riviera—led by Emerald Dane—tends to its fun and games, Cortin sets about achieving his greatest deception.