"Hide" tells the thrilling story of Na Moon Young, a peaceful lawyer whose life is tued upside down when her husband, Cha Sung Jae, suddenly goes missing. Unable to accept the loss, Na Moon Young begins to uncover the shocking truths behind her husband';;s mysterious death. She discovers various shocking revelations, from Sung Jae confessing to a crime for Kim Yoon Seon, a case he was defending, to him hiding significant debts from her, leading their law firm to the brink of bankruptcy. Things get even more complicated when Na Moon Young realizes that her husband';;s death was not simply an accident. The quest for truth leads her to urgent clues, and she cannot trust anything without the help of Ha Yeon Joo - a close neighbor companion, and Do Jin Woo - the holder of horrifying secrets regarding Cha Sung Jae';;s mysterious disappearance.