At the height of the Warlord Era, China is being torn apart through internal conflict, allowing Japanese forces to gain a foothold in Northern Shanghai. Meanwhile, a celebrated Chinese hero returns to the mainland seven years after the fight that made him a myth, and assumes the identity of a caped crusader in order to expose the clandestine alliance between the Japanese and the mafia, and procure a vital assassination list.

Centuries ago, two 'sworn sisters' are isolated by their families, but stay connected through a secret language written in the folds of a white silk fan. Now in modern-day Shanghai, their descendents must draw inspiration from the past as they struggle to maintain their own eternal bond in the face of life's complications. What unfolds are two stories, generations apart, but everlasting in their universal notion of love, hope and friendship. Includes...