Which episode of Pearl of the Orient knows that Big Brother is her son?

Pearl of the Orient Episode 9 Knowing that Big Brother is her son. According to relevant data, the plot of the ninth episode of the Oriental Pearl is that the business of Song and Art Troupe plummeted and Yan and Jiao were forced to come back to cooperate to save the crisis. At a touch, Yan found that Feng was his own son. Yan was afraid that the exposure of Feng's life would endanger Feng's official career and dared not recognize Feng.