His New York Wife(1926)

Lured to New York with false promises of having her play produced, Lila Lake is forced to accept a secretarial position with Mrs. Julia Hewitt, a dashing young widow secretly married to Jimmy Duval, son of Alice Duval, a prominent society leader. Alice seeks the aid of young lawyer Philip Thorne, who hires detectives to follow Julia; the latter, however, has left town with Jimmy, and Lila has agreed to impersonate her.