Description：The film tells the story of Liu Lu (played by Liu Lu), a sika deer breeder immersed in the pain of the past. Because of an encounter with her old classmate Ma Hai (played by Wang Ziyi), she inadvertently learned that there is another self in a parallel world. She tries to seize this opportunity to reconcile with herself, her family, and the world, and is willing to untie the scars of twenty years ago to find self-salvation.