Lu Yan appears to be an ordinary office worker, but in his spare time he studies the family’s inherited feng shui arts and secretly investigates the truth behind his family’s decline. He seems cheerful, easygoing, and sociable, but it is all an act. In truth, he is meticulous and ruthless. He cherishes his family and friends, but shows his enemies no mercy, living by the rule: “An eye for an eye, repaid tenfold.”