Longyin City treasures the life-saving flower "Chihuazhu" and is the leading gang in the world. Longyin City has never tolerated outsiders until Lin Jingyou broke in premeditatedly, gradually revealing the secrets hidden behind Rong Jingfeng. At the same time, Lin Jing and Rong Huan fell in love with each other. The two tracked down the case and found that the unknown conspiracy buried deep in Longyin City was actually a mystery involving the world for many years. Despite many grievances and right and wrong, Lin Jing and Rong Huan firmly believed that they could resolve everything with love and forgiveness. Although the two had different positions, they always worked together to fight against the evil forces and finally brought peace to the world.