All the evidence found in the investigation of Prince Yoon's attacker points to the Emperor. However, the Empress suspects it was Kang Hee. But with Princess Ari as her alibi, she can't prove it. She resorts to using Yu Ra to find out more about Kang Hee by reviving Joo Seung's memory. Meanwhile, the Empress Dowager reviews the video evidence captured on Prince Yoon's phone and hides it in her safe. (thetvdb.com)