"Just a Weekend Couple" tells the story of a middle-aged couple facing dual emotional and life crises during a period of marital burnout. Zhao Lin and Li Wei have been married for twelve years and have gradually become a "weekend couple". They are busy with their own affairs on weekdays, but they are like a family only on weekends. When the husband's factory fell into a debt crisis, clues of suspected cheating emerged one after another, and the wife discovered that even her only home had been secretly mortgaged, the marriage reached the edge of the cliff.