The film stars Mona Barrie, Gilbert Roland, John Halliday, Rod La Rocque, Mischa Auer and Billy Bevan.

[1][2][3] Top-secret documents being transported by French captain Jacques Benoit are stolen in Constantinople, resulting in his arrest and sentencing to Devil's Island.

Suspecting him, she books passage on an ocean liner to New York City under an assumed name and schemes to meet Van Wyke during the voyage.

Attracting romantic interest from passenger Juan Santanda as well as from Van Wyke, she finds the stolen documents and tries to hide them.

When she explains her true identity and purpose, he uses a blowtorch to open a safe and help her retrieve the documents, then sacrifices his own life when she is trapped, staying behind as he and Van Wyke kill one another.