In Jincheng Business District, Lu Chenzhou of Star Technology and Huo Cizhou of Sky Capital are incompatible. From smart city project bidding to technological offensive and defensive battles, the two faced tit-for-tat, hiding the edge of their old rivals. When the secrets of his father's generation, old injuries in the laboratory and the mysterious Evernight Group surface, there is a shocking conspiracy behind the business war. The former rivals were forced to join forces, struggling between the edge of the knife and the truth, but while protecting each other in life and death, feelings secretly grew. In the end, can they break through the siege of conspiracy and find each other's redemption in the ups and downs of the business world?