Mengmeng and Lingzi have been married for six years. Although they have been in love for a long time, Mengmeng focuses on work and ignores his wife's feelings, and their conflict gradually intensifies. Xiaosen and Ying'er are enemies of hostility, secretly liking each other, but starting from high schoolJust keep arguing. Four people were squeezed into the same empty room by chance, but as a result, they shared their feelings and gained true love. This story is adapted from the stage play "Love 4: 1".