Seven college housemates from the 1960s who have drifted apart reunite at the funeral of a friend. Having entered adulthood as non-conformists, most now belong to the establishment. Stunned by the death of their peer, sensing their own mortality and the loss of their innocence, each takes the opportunity to reevaluate his or her life and re-establish their bonds.

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.

Lying on his deathbed, the aging Cheyenne Warrior, Windwalker, tells his life's story to his small grandchildren. He recounts his years as a young brave, marriage to beautiful Tashina, the blessing of having twin sons born to them, and his anguish at having Tashina die and one of the babies stolen during a raid by Crow warriors.