故事主要描述了人到中年的牛爱国，在感觉老婆劈腿之后发生的一系列心理与行动上的变化。进入到内心的争斗，开始追踪求证，寻找老婆出轨的线索，将中年人对婚姻生活的危机感表现的淋漓尽致。内心承受了巨大压力，而得不到家人的理解以及悲悯情怀，展现了牛爱国的内心情感无人诉说的苦楚，内心的跌宕起伏，到最后的释然过程。 牛爱国将中年人的婚姻危机展现的淋漓尽致

牛爱国是一名鞋匠，10年的是婚姻生活，让夫妻两人变得无话可说。牛爱国发现老婆出轨婚纱店的老板，由此而展开了一系列的捉奸，追踪的道路。牛爱国的内心变得极度的愤怒，拖着就是不离婚，要将妻子生生的拖住，牛爱国的内心也是极度崩溃的，是最亲的人也无法体会的绝望与羞辱感，直到偶遇了老同学，老同学的一句话彻底点醒了，牛爱国的以后生活之路。

The story mainly describes the middle-aged Niu Aiguo, who experienced a series of psychological and behavioral changes after he felt his wife cheating on him. Entering the inner struggle, starting to track and seek evidence, looking for clues of his wife's cheating, vividly expressing the middle-aged people's sense of crisis about their married life. Under tremendous pressure in the heart, but not understanding and compassion from his family, it shows Niu Aiguo's inner pain that no one can tell, the ups and downs in his heart, and the process of relief at the end. Niu Aiguo vividly shows the marital crisis of middle-aged people

Niu Aiguo is a shoemaker, and his 10 years of married life left the couple speechless. Niu Aiguo found out that his wife was cheating on the owner of the bridal shop, and thus started a series of catching and tracking. Niu Aiguo's heart became extremely angry, and if he procrastinated, he would not divorce, and he wanted to drag his wife away for life. Niu Aiguo's heart was also extremely broken. It was a sense of despair and humiliation that even the closest relatives could not understand, until he met by chance. Old classmate, old classmate's words completely awakened Niu Aiguo's future life path.