Eri, a double-income worker, lived a mediocre life. One day after work, I feel sick and get stuck on the side of the road. Matsuki, a salaryman who happened to pass by. Eri, who is cared for but touches the kindness that her husband does not have, expects a reunion without forgetting that time. One day, Eri finally falls into a deep relationship, but her husband does not know anything.