Young Lin Rui and several like-minded friends traveled upstream in the cracks of the city. Different dreams and secrets kept them colliding and growing. Team members are sometimes in conflict and sometimes join hands. In their own struggles, friendships, challenges and humorous stories, they face grand competitions and family crises. In the end, they use blood and friendship to change their destiny, protect each other, and realize their wishes. The book is interspersed with multiple story lines and character growth, with a fast pace, ups and downs, and finally a passionate ending.
