北京乐开花影业有限公司

In 1900, the mysterious murder of a white woman and a Native American man in San Francisco's Chinatown triggers a race against time as the Chinese suspect and the Native American's adopted Chinese son work to uncover the truth while a politician seeks to leverage the Chinese Exclusion Bill as well as the prevailing xenophobia and racism to close down Chinatown and elect himself as the mayor.

In the 1940s, the world was in turmoil, and it was crucial to decipher the enemy's communication codes in a timely and accurate manner. Rong Jinzhen has shown amazing mathematical talent since her childhood, and because she solved the problems assigned by her math teacher, she was noticed by more people, and even walked into the door of code-breaking by mistake.