Graduation dinner, roommate Luo Wei unauthorizedly sold the buffet set of Jiang Yuning's family restaurant at a price of five yuan, and also forged authorization and collected ticket money. Jiang Yuning refused time and time again but was driven into a corner. She did not compromise, opened for business according to the contract, and restored the truth with vouchers and facts. A dinner, to see through people's hearts, and also let everyone learn that human affection is not a bill and refusal needs no guilt.