New Year's Eve 1941, war has been declared and the Japanese internment is in full swing. Sergeant Dudley Smith of the Los Angeles Police Department is now Army Captain Smith. He's in Baja, Mexico, and spends his time hunting down a missing Japanese Naval Attaché. Hideo Ashida is working in the crime lab, but he knows he can't avoid internment forever. Captain William H. Parker puts newly arrived Navy Lieutenant Joan Conville on Ashida's team. Conville and Ashida become obsessed with finding the identity of a body discovered in a mudslide. It's a murder victim linked to an unsolved gold heist from '31, and they want the gold. And things really heat up when two detectives are found murdered.