Midnight Mystery

Midnight Mystery is a 1930 American mystery film directed by George B. Seitz, from a screenplay by Beulah Marie Dix, adapted from the play, Hawk Island, by Howard Irving Young. Betty Compson starred, leading an ensemble cast which included Hugh Trevor, Lowell Sherman, Rita La Roy, Ivan Lebedeff, Raymond Hatton, June Clyde and Marcelle Corday.

One of the other guests, Sally Wayne, who is an author who writes murder mysteries, and just happens to be Sloanes fianc, takes it upon herself to solve the crime. Over the course of the evening, she uncovers and strategically puts together all the clues, culminating in her getting the murderer to confess.The play, Hawk Island, upon which this film was adapted, played at the Longacre Theatre in 1929, starring Clark Gable in the role of Gregory Sloane. ........

Source: Wikipedia