The protagonist Ling Chen, a top elite in the police academy, has the dual mission of avenging his undercover brother who died in the line of duty and destroying the transnational gangster group "Longting". He uses the pseudonym "Achen" to sneak into the bottom of Longting. He is unruly and unruly on the outside, but sinister and tolerant on the inside. With his resourcefulness and ruthlessness, he works his way up the underworld step by step, and finally reaches the throne, but is trapped in the whirlpool of identity and morality. The single heroine Su Qing, whose identity remains a mystery, is sometimes Ling Chen's weakness and sometimes his strongest support. Brotherly love and betrayal are intertwined, and the plot is intense and intense throughout.
