Tian Ge discovered her husband's secret.

Episode 45. The secret of Tian Ge's husband, Tang Wenshen, is that he is having an affair. In the 45th episode, Tang Wenshen came to give something to Tian Ge who lives in her house. Tian Ge found a business card of the hotel on the sofa and thought it was very important for Tang Wenshen, so he came to the hotel. When he knocked at the door, he saw a scene he couldn't accept, so he turned and left.