Even now, six months after remarrying, Mai has not been able to confide in her son-in-law. At that time, my husband's company trip is decided. - A night alone with her son-in-law for the first time. While she has a debt as a second wife, Mai tries hard to communicate while being filled with anxiety. However, the healthy appearance unconsciously fuels the prosthetic breath ... Finally, the two cross the line between parent and child.