The husband and wife work together in a restaurant. Due to the wife's poor health, the husband takes the initiative to stay at home. He works in place of his wife from morning till late at night, not expecting that the woman would betray his love for her by secretly having an affair with the restaurant owner. When a neighbor passes by and discovers this, he tells the husband, but the husband does not believe it, saying he must see or hear it with his own eyes. One day, while working for half a day, the husband unexpectedly returns home and cannot believe what is happening before his eyes...