从小因父亲重男轻女，贞仁（申惠善 饰演）在中学时就逃家自力更生，与家人断了联系。贞仁后来凭一己之力成为顶级辩护律师，在一次偶然中，她得知罹患老年痴呆症的母亲花子（裴宗玉 饰演）涉嫌杀害父亲，同时还对不少无辜民众下毒手。 怀疑事有蹊翘的贞仁决定亲自出马，在层层阻挠下，她该如何为母亲翻供，揭开这个桩谋杀案背后不可告人的真相？

讲述了一名偶然成为盗贼的女性洪恩祖与追捕她的朝鲜大君李烈灵魂互换后，彼此救赎和守护的爱情故事 。

Born from a tryst between a nobleman and a slave woman, Hong Eun Jo is no stranger to the plight of the average person, especially after her father fell ill. By day, Eun Jo works as a doctors, but by night, she assumes the identity of "Hong Gil Dong," a thief who steals from corrupt officials to spread wealth among those in need. Hong Gil Dong's antics attract the attention of Prince Yi Yeol, who has a penchant for investigations and is personally intrigued by the mystery of the righteous thief, although most palace officials believe that he's just joking around. Amidst his search, Yi Yeol runs into Eun Jo, falling in love at first sight – but when Yi Yeol and Eun Jo happen to swap bodies, secrets they both try to keep hidden risk getting out.