Shen Jiayue, Zhou Jinyan's sister-in-law, uses her brother-in-law's credit card to show off in front of relatives, taking two families on a wild shopping spree and splashing out 46,000 yuan. But when it's time to pay, the credit card is suddenly declined, leaving her utterly humiliated in public! What chills Zhou Jinyan even more is discovering that his wife has secretly been giving money to support her younger sister behind his back, even going so far as to promise 80,000 yuan toward a down payment on a marital home without his permission. Faced with his wife's greedy family, Zhou Jinyan refuses to put up with any more. He decisively cancels the card and refuses to cover their expenses. When the lies surrounding an engagement banquet are exposed, the reckoning over family ties and marriage finally begins!