The Lion's Mouse (1923)

Roger Sands becomes jealous of Justin O'Riley who possesses certain papers which Beverly Sands is anxious to obtain. Beverly is assisted by Clo Riley, a girl she has befriended. During the efforts of Beverly and Clo to get the papers, Beverly's pearls disappear and once more Sands suspects O'Riley. Later Sands finds the coveted papers in his wife's possession and returns them to O'Riley. Eventually Beverly explains that she was protecting her brother from blackmailers.