From soil to cloud, from valley to peak, From dark to bright, in this complex and changeable world, What one could take as life, What one could take as an enlightenment. The story revolves around two characters: Guang He and Sheng He: Guang He was abandoned by his mother and abused by his stepmother when he was a child, and after he grew up, he was sentenced to ten years' imprisonment for injuring a person by mistake, and after his release from prison, he searched for the road to redemption; Sheng He was born in the darkness, but preferred to be bright, and was trapped in the valley, but his heart belonged to the mountains; she is a ray of light that shone through the jungle when Guang He sunk in the darkness of the fog, and she is a resilient straw when Guang He plunged into the dangerous shoals. She is a soft straw when Guang He falls into the dangerous shoals of the rapids. Do people who have made mistakes deserve to be forgiven? How can the goodness drowned by the prejudices of the world seek redemption? Please don't let your words become the knife that kills. How to achieve salvation for others and salvation for oneself? Who pays for the sins of all?