4 ideas
The trail runs through a missing videotape to a wealthy businessman and his circle, whose drug-trafficking and sex-trade interests make the women disposable witnesses. When Mandrake gets too close, he is brutally attacked, and the case turns from legal inquiry into personal vengeance.
Read murder as a transaction between social strata rather than as a private pathology. The rich commission, finance, or cover up violence, and the poor, especially women in the sex trade, absorb it as bodies nobody will account for. Asking who can kill without consequence and who can die without investigation shows the class map that ordinary law obscures.
The title names knife-fighting as a disciplined craft with its own technique, lineage, and aesthetics. The knife demands closeness and skill, which gives violence an intimacy that guns remove. When Mandrake trains in it to take revenge, he shows how learning the art of violence remakes the person who learns it.
Institutional justice is structurally unable to touch the wealthy, because courts, police, and procedure can be bought or bypassed by the people the crimes serve. So the lawyer-protagonist must leave the law and act as a private avenger. That move exposes how thin the line is between justice and personal violence once legal channels fail.