In the Diplomatic Service

The film follows Dick Stansbury, who is summoned by the head of the American diplomatic corps to investigate foreign powers stealing U.S. military secrets. Stansbury suspects Doctor Montell is involved, prompting him to disguise himself as an inventor of a new aerial gun to engage Montell's interest. This leads to a tense weekend party at the Ryerson estate, where Montell attempts to convince Stansbury to sell the gun to foreign agents.

With a cast featuring Francis X. Bushman, Beverly Bayne, and Helen Dunbar, In the Diplomatic Service reflects the early 20th-century fascination with spies and military intrigue. Collectors of silent films and early comedies will find this film an interesting representation of the genre during its time, showcasing the narrative styles and production values of the era.