Mask (2015)

Soo Ae, Ju Ji-hoon, Yeon Jung-hoon, and Yoo In-young are the stars of the 2015 South Korean television series Mask. It has 20 episodes and is broadcast on SBS every Wednesday and Thursday at 21:55 from May 27 to July 30, 2015. Byun Ji-sook, played by Soo Ae, works as a sales clerk at an SJ Group department store. Seo Eun-ha is the congressman's daughter, Choi Min-woo's fiancée, and Min Seok-hoon's lover.

Byun Ji Sook has always had a difficult existence because of her father's ongoing financial troubles and pursuit by loan sharks. She is really curious about what life would be like if she had come from a better household and wasn't always concerned about money. Ji Sook seizes the opportunity for a better life when a sequence of events brings her in contact with Eun Ha, a wealthy lady who bears a striking resemblance to Ji Sook. She adopts Eun Ha's identity and starts living her affluent lifestyle. A chaebol heir named Min Woo, who she meets, is untrusting of those around him. But when he realizes that Ji Sook is not like the other women he has met, he is drawn to her.

Detailed information:

Starring: Soo Ae, Jung-hoon, Yoo In-young

Original release: May 27 – July 30, 2015

Link to watch: imdb.com/title/tt4714786/