Due to her grandmother's serious illness, Shirley Smith decides to enter into a marriage of convenience for financial support while undergoing surgery. Coincidentally, during this period, Xavier Harbert seeks a temporary spouse for business purposes and mistakenly obtains an incorrect marriage license with Shirley at the civil affairs bureau. With plans for divorce and no intention of maintaining contact after one year has passed since their initial encounter there; however fate brings them together once more during an interview at Xavier's company where they experience a sense of familiarity with each other. Xavier mistakenly thinks that Shirley is his fake marriage partner, and the two become entangled due to the misunderstanding.
