Because he fears that his irresponsible granddaughter, Cynthia, will never settle down, an old man makes a will stating that she will be disinherited if she remains unmarried twenty-four hours after his death. When the old man becomes gravely ill while on a trip with his nurse, she convinces him to revise his will and leave everything to Cynthia. After his death, the nurse, in collusion with Cynthia's stepfather, secretly make a will to make it appear that the nurse will inherit the entire estate. Thinking that the original will remains in force, Cynthia marries a waiter at her hotel, not realizing that he actually is Jim Dutton, a young man to whom she has been attracted. Jim's friend, who is a private detective, uncovers the false will. Finally, the nurse and Cynthia's stepfather are brought to justice after it is revealed that the stepfather murdered Cynthia's grandfather.
—AFI