The story takes place in the imaginary modern city-Xinjing. Lin Tuo, Tang Fei, Xu Rui and other young people with different personalities met through various misunderstandings and became life-or-death friends. Together, they face intricate family feuds, community struggles, and the mystery of the urban underground underworld. Under Uncle Wei's guidance, the group went deeper step by step, uncovering the secrets and past behind each other, while constantly testing each other's friendship and trust. The story has multiple clues, including passionate head-on confrontation, but also full of humor, warmth, growth, betrayal and redemption. In the ups and downs of the rhythm, everyone finally faces their fate and understands the true meaning of life. The book contains 1 million words, with a compact and exciting plot, rich branch lines, and multiple characters' growth lines.