One night, when her husband returned home, Mika couldn't hide her shock at seeing him being carried on someone's back. Behind him was her brother-in-law, Hideki. After being laid off, Hideki had come to the city to look for work, but his wallet and phone were stolen, leaving him with no food or drink until he collapsed on the street. Mika, deeply moved by Hideki's misfortune, warmly took him in. Touched by her kindness, Hideki begins to develop new feelings for her.