In the bustling urban background, a pair of teachers, Yosuke and Mai, known as a model couple, have won the envy of everyone with their harmonious family and excellent educational ability.Yosuke is a gentle and gentle teacher who is loved by students; Mai is a passionate and well-educated female teacher.Together, they built a seemingly perfect family. However, there are hidden secrets behind it all.

In Yosuke's class, there is a female high school student - Yura.Not only does she have excellent grades, she is also as popular as an idol.Her beauty, intelligence and unique charm captivated everyone.However, it was such a seemingly perfect girl who had an unnecessary emotional entanglement with Yosuke.

“There is something wrong with this female high school student.”Yangjie was secretly wary.He found that there seemed to be some huge secret hidden in Yura, and there was always an elusive depth in her eyes.As time passed, the relationship between Yosuke and Yura gradually heated up and eventually evolved into a taboo extramarital affair.

However, all this did not hide Wu's eyes.As a sensitive and intelligent woman, she quickly noticed the changes in her husband.Faced with her husband's infidelity, Mai vows revenge. She is determined to uncover the secret behind Yura and restore everything to its original state.

At the same time, another student in Yosuke's class, Kudo, also developed a strong interest in Yura.He observes an unusual relationship between Yura and Yosuke and begins to investigate further.The addition of Kudo makes this already complex story even more confusing.

As the story progresses, a series of terrible things begin to happen.Mai's investigation gradually reveals Yura's secret, which is closely related to the fate of Yosuke and the entire class.Kudo also gradually discovered that the truth behind Yura was far more shocking than he imagined.