In 1930s California, a Japanese spy network is secretly established ahead of World War II. Agent Kato recruits Eddie Carter, a former army veteran who worked on the Panama Canal, to uncover its secrets. Meanwhile, Peggy Harrison, a mysterious and alluring woman, also shows interest in Eddie. However, instead of committing treason, Eddie becomes a double agent, caught in a deadly game of espionage against a formidable foe.
Betrayal from the East
In the prelude to World War II, Japanese agents embark on a clandestine mission to uncover the strategic secrets of the Panama Canal.