In order to cope with the rumors about his family's "happy marriage", Gu Chengyan urgently needs a "transparent person" who has no background and will not pester him to get married. He mistakenly thought that Lin Sufen, who picked up his cufflinks and tried to return them, was a well-designed hunter, but in fact she was just an ordinary person pushed by life. It begins with a huge misunderstanding and transaction, and ends with a two-way redemption that transcends age and class.