The illegitimate son Nishi Koichi's father became Iwabuchi's scapegoat for corruption and was forced to jump off the building and die. Nishi Koichi formulated a crazy revenge plan, approached and married Iwabuchi's daughter Kako, and became Iwabuchi's secretary, which provided him with the most convenient conditions for smoothly implementing the complicated plan. He fought against a group of corrupt criminals alone, and forced the key criminals in the Yanyuan Group into desperation one by one, and was controlled and controlled by them. His final goal is Vice President Iwabuchi and the bigger protagonist behind him. Kako, who loved Nishi Koichi so much, didn't know this at first. After learning the truth, she understood Nishi Koichi, but she couldn't hate her father who loved her. At the time when Nishi Koichi was preparing to hold a press conference, he was about to achieve a complete victory. The kind-hearted Kako is used by the cunning father Iwabuchi and learns where Nishi Koichi is hiding.
Nishi Koichi was killed by Iwabuchi in a car accident, and the bribery case finally disappeared
.
