Undercover Empresses: The Cleaners Are Actually Queens — Episode 4

Abandoned by their parents, sisters Catherine and Grace survived by leaning on each other. Years later, both have achieved immense success in their respective fields. However, when Catherine arrives at Grace's engagement party dressed as a humble janitor, she is instantly met with mockery and insults from the in-laws and former classmates. To make matters worse, Grace is brutally betrayed by her own fiancé. Pushed to her limit, Catherine unleashes her wrath and reveals her true identity as the supreme Empress of a powerful global organization. For those who dared to look down on them, only unimaginable regret and utter ruin await.