Delightfully Deceitful S01 E07 The Notebook

"Revenge is cruel, fraud is beneficial."

Ro-um reveals to Moo-young what happened between her and Director An ten years ago. To obtain the notebook containing the identity of the president, Ro-um and her team disguise themselves and break into the hotel vault. Moo-young requests to meet Jang Kyung-ja in person to hack into her phone.