In which episode did Princess New Zhu Huan torture Ziwei?

The new princess huanzhu episode 25 swallows fly,

When the swallow went to school, Wei Zi was cheated in the name of your princess. At this time, Pu Gonggong, the general manager of Cining Palace, is supervising Shu Fangzhai to clean up, and Jin Suo is not allowed to follow. Those arrested were tortured by Empress Rong, forcing them to confess their "conspiracy" with the imperial concubine and Fallon. ...