Lewis Dumont, a Northern officer in the American Civil War, works undercover behind Confederate lines in an attempt to lead Southern forces away from an area in which a Northern attack is planned. But Dumont falls in love with a Southern girl and when she proves useful to his plan, his conscience begins to tear at him.
Unfortunately the movie Secret Service is not yet available on HBO Max.
| Directing | Hugh Ford | Director |
| Writing | William Gillette | Theatre Play |
| Writing | Beulah Marie Dix | Scenario Writer |
| Writing | Beulah Marie Dix | Screenplay |
