Russian brothers Count Boris and Alexis Rabourdin obtain a Japanese coastline defense map and plan to sell it to German agents in London. In America, Alexis schemes to marry wealthy Eve Bertram, who loves him. Boris, meanwhile, falls in love with Christine Lesley, Eve's neighbor whom Eve's brother Guy, an amateur inventor experimenting with explosives, also loves.
| Actor | Role |
|---|---|
 Blanche SweetChristine Lesley | Christine Lesley |
| GGertrude KellarEve Bertram | Eve Bertram |
| EEdward MacKayGuy Bertram | Guy Bertram |
 Sessue HayakawaNogi | Nogi |
 Page PetersAlexis Ruloff | Alexis Ruloff |
 Ernest JoyCount Boris Ruloff | Count Boris Ruloff |
 William ElmerDetective Williams | Detective Williams |