A week before the attack on Pearl Harbor, U.S. secret agent Paul Soames arrives to investigate the murder of his best friend, only to become quickly immersed in a web of conspiracy and lies that beset the city. Shadowed by a Japanese intelligence officer, Tanaka, Soames' investigation quickly centers on a charismatic local gangster, Anthony Lanting - and Lanting's beautiful wife, Anna. Before long, Soames and Anna are involved in an affair that will put everything they have at stake. As national loyalties are traded fast-and-loose for those of the heart, Soames and Anna must race to solve the mystery and make it out of occupied China before the city's collapse.