剧版《内在美》是一部治愈爱情喜剧,徐玄振将饰演每个月换一次脸的顶级明星韩世界,每个月在一定时期她会变成其他人的脸。而李民基则饰演航空公司本部长徐道载,这个看起来各方面都完美的男人有一个缺陷,就是人脸识别障碍,为了不被别人发现,徐道载会努力观察人们细小的习惯,走路姿势,通过自己的努力维持着完美的形象。他与韩世界的相遇后,生活发生了巨大变化。Han Se Kye is a top actress, also known as a troublemaker, with many rumors around her. To others her life appears as a mystery, when in fact she is faced with a strange occurrence where she must change into a different body and new identity every once a month for a week. She encounters Seo Do Jae, a brilliant man who is an executive at an airline company. He seems to have it all, a perfect appearance, knowledge and a good job, but he has a secret too. He suffers from Prosopagnosia, the inability to recognize faces. However, he manages to hide this from the world and every day, makes an effort to remember people by their personalities. Seo Do Jae's life begins to change when he meets Han Se Kye. She is the only person whose face he can recognize. But with Han Se Kye's constant disappearance and change, how long can she keep her secret? (Source: MyDramaList)