"I want to be you" is a sharp psychological thriller fueled by jealousy. The story connects Min-hee, a class president whose identity is being stolen by a social outcast, and Ah-reum, who returns home after 16 years to care for her reclusive brother. Their lives violently collide during a brutal "Mother-Daughter Murder Case," where a lone witness confesses a chilling, bizarre scene to a detective, reconstructing the tragic events of that fateful day.
| Actor | Role |
|---|---|
 Yoon-Geum Seon-ahAh-reum | Ah-reum |
 Park Ji-seoMin-hee | Min-hee |
 Kim Min-seoSoo-ah | Soo-ah |
 Kim Na-hyunSan-ha | San-ha |
 Joo Ha-rinMi-mi | Mi-mi |
 Yang Mal-bokJeong-eun | Jeong-eun |
 Ahn Chae-heumYoung Ah-reum | Young Ah-reum |
 Ham Sang-hyeokYoung brother | Young brother |