In Princess New Zhu Huan, which episode was the oil painting destroyed by the emperor?

In episode 73, the emperor learned that Wei Zi, Swallow and others released the fragrance. Later, due to the framing of the Queen and others, Wei Zi was wrongly accused of not being his own daughter, and he flew into a rage. He felt that he had been cheated by two girls, and he was furious. In a rage, he threw the portraits of Wei Zi, Swallow and Jiugege painted by a class painter on the ground and stomped on them with his feet, trying to destroy them and never wanting to see them again.