Hounded by loan sharks into paying her father's crippling debt, Byun Ji-sook assumes the identity of her doppelgänger Seo Eun-ha, the fiancée of chaebol heir Min-woo. Despite his wealthy background, Choi Min-woo grew up without the love of friends and family; when he discovers Ji-sook's deception, he keeps her secret as he finds in her something he has never experienced before.

Mask (Hangul: 가면; RR: Gamyeon) is a South Korean television series starring Soo Ae, Ju Ji-hoon, Yeon Jung-hoon and Yoo In-young. It airs on SBS on Wednesdays and Thursdays at 21:55 beginning May 27, 2015.