The Menace of the Mute (1915) is a Crime, Mystery film that follows young Edyth Vail, believes her fiancé Allen Morris may have committed a murder, asking Ashton Kirk to investigate the crime. The fiancé admits he went to the David Hume's home to retrieve plans for a submarine, invented by his scientist father and stolen by the murdered man, but Allen claims he left the home before retrieving the plans. Kirk uses a train conductor's punch ticket to discover the identity of the murderers, one of whom is mute, and sets a trap to apprehend the suspects. The Menace of the Mute is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of crime movies may also want to explore similar titles below.