Whom Shall I Marry(1926)

Cynthia’s grandfather makes a will with the provision she must marry within 24 hours of his death or be disinherited because of her frivolous lifestyle. However, the old man’s nurse and Cynthia’s stepfather collude to create a false will leaving her everything. After his death Cynthia, thinking the will is still in force, marries waiter Jim Dutton. Jim turns to his P.I. friend who uncovers the plot.