1976, Chongqing, 14-year old Dou was in hospital. He falls in love with a pretty nurse, Jiahui. Jiahui belongs to Gang, a mobster, who is brutal to her. Dou is becoming Jiahui’s protector, her Moonlight Warrior, but Jiahui and Gang leave for Japan. 20 years later, Jiahui returns to China, Dou recalls his childhood dream.

The story of a widowed old man living by the Green Lake in Kunming, trying to heal the emotional trauma of three generations and rebuild family ties.