Qin swan, who has always been a smooth and unrestrained man, is gradually involved in a big conspiracy about the world because of the investigation of a bizarre murder case, and at the same time unveils the mystery of his own birth that has been buried for more than twenty years. In one dangerous case investigation after another, the threat of enemies, betrayal of colleagues, and suspicion of partners do not destroy Qin's will for justice. In the end, his charisma infects his partners, and they work together to defeat the conspiracy of the mastermind behind the case to bring justice to the innocent lives lost, to bring peace to the world, to keep the kingdom of China intact, and to live up to the name of the Red Flame Guards, a name trusted by the people.