Dong He, once a wealthy young man, his family went bankrupt overnight, he was heavily in debt, and he became an ant at the bottom of the city. In the darkest moment of life, a system called "National Fortune Marriage Contract" was suddenly bound. The system tells him that he must protect a designated transnational marriage. The stability and happiness of the marriage will directly feed back the destiny of the country, and he can also gain endless power and resources through this. The object of marriage is actually Isabella, the next heiress of an ancient European conglomerate, known as the "Frost Rose". This contract marriage seems to be a one-step process, but in fact it is a whirlpool of competition among all parties. The "Shadow Parliament", a multinational dark network organization with great resourcefulness, has long regarded Isabella as a key chess piece in controlling the global economy, and countless cold arrows and traps followed. Let's see how Dong He, with the loyalty and sharpness of a wolf dog, protects the marriage contract on the turbulent global stage, breaks through the situation, tears apart all the conspiracies step by step, and lets the world witness the protective power from the East.