[2][3][4] The series revolves around the story of Lê Vũ Hồng - a young man with great pain, losing both his father and mother and his only relative, his younger brother.
Hồng later became a homeless child, taken home by Mrs. Mộc, the second wife of Lê Toàn - a retired mafia boss - to take care of.
He followed the clues to find the truth about his parents' death and learned about his adoptive father's relationship with three trusted juniors at that time, including Quân "old", Hưng "Khẹc" and Dương "muscle".
Apart from Lê Toàn who has retired, the remaining three are all notorious transnational narcotics lords with headquarters in Mây Village, and any one of them could be the one who brought tragedy to Hồng's family.
Colonel Lê Hoàng Long – Head of the Narcotics Crime Investigation Department of Province Police – was transferred to support Colonel Dương Công Phùng – Head of the District Police, who is also Long's long-time friend...[5]