In this newspaper drama, a female reporter and a newsreel cameraman are both assigned to cover the Sino-Japanese war. They meet on the boat ride over and decide to team up. They are further assisted by a Chinese cameraman. The three of them manage to expose of spy ring operating out of the Shanghai office of the woman's newspaper.
After committing a murder, Kay assumes a new identity and boards a ship. But, Kay is unaware that Sam, a skirt chasing detective, is following her and must outwit him to escape imprisonment.
Americans Tommy Baldwin and Joe Dugan are hired to transport a fabulous diamond from Shanghai to San Francisco. They will be paid handsomely on success or killed on failure. The diamond is stolen as they take possession of it.
