Stuck with a Contract Wife

On the day they signed their marriage papers, she asked him for money. He tossed her a contract and a bank card. She said she wanted to keep their marriage secret, and he happily agreed. She thought she could just hold on to that marriage certificate for a few years and then be free. But then she discovered that someone had started pestering her relentlessly with all kinds of excuses. If only he had known this would happen, why did he do it in the first place? Yu Weian was baffled. Everyone said mothers-in-law and daughters-in-law were natural enemies, so why was her family different?