Kim Min Seok | Choi Hyo Eun | Lee Jin Gwon | Ji Ha Hyun | Park Ah Seong | Seo Cho Won Kim Bora plays as Seo Young Eun, transfer out of Sekang in episode 3 after blaming Eun Byul for the stealing her mother's jewelry.
Yootoung plays as Jo Hae Na, the girlfriend of Kwon Ki Tae. Jo Soo Hyang plays as Kang So Young, transfer student and bully Eun Bi.
Lee Cho Hee plays as Lee Shi Jin, Eun Byul's friend. Kim Hee Jung plays as Cha Song Joo, Eun Byul's friend. Lee David plays as Park Min Joon, the class president, and Sekang's over all #1 student. Lee Pil Mo plays as Kim Joon Seok, the homeroom teacher. Lee Shi Won plays as Jeong Min Young, the student teacher and sister of dead student of Sekang High.Ĭhoi Dae Cheol plays as the swimming coach. Shin Jung Geun plays as Student Supervisor. Nam Joo Hyuk plays as Han Yi An, the school star swimmer and best friend of Go Eun Byul. However, on the day Eun Bi and her mother were about to move out of the neighborhood and start fresh, the real Eun Byul comes knocking on the door. Kang So Young successfully manages to drive Eun Bi out of Sekang High. Han Yi An later finds out the truth of Eun Bi identity, after Kang So Young shows a picture of Eun Bi school ID. He also fights against Han Yi An for Eun Bi's love. Gong Tae Kwang, who starts to develop an attraction towards Eun Bi, finds out about her identity and he assists and protects Eun Bi form Kang So Young. Threatening Eun Bi with his fact, she tries to make her life miserable again, but Eun Bi has changed and she learns to stand up her herself. Soon, Kang So Young joins the school and finds out that Eun Bi is imposing as Eun Byul. So she starts living as Eun Byul as Eun Bi is now 'dead'. Eun Bi assumes that it is Eun Byul who took her place n dying when she tries to saves Eun Bi from drowning. Secrets get revealed later on when Eun Bi realizes she isn't Eun Byul as she soon gets her memories back, but it is then discovered that Eun Bi's body was found at the site of Eun Bi's suicide. Ten days later, the injured and amnesiac Eun Bi is mistaken for her twin Eun byl, and the latter's adoptive mother takes her home to Seoul, where she starts living as Eun Byul. One day, on a school field trip to Tongyeong, Eun Byul mysteriously disappears, at the same time, Eun Bi is unjustly expelled from her school and jumps off a bridge in a suicide attempt. Unlike the cheerful Eun Bi, Eun Byul is prickly and secretive. They have been friends since they were 8 years old.Įun Bi and Eun Byul look exactly alike, but only Eun Byul is aware of the other's existence. Eun Byul's best friends are Cha Song Joo and Lee Shi Jin, and she shares a mutual attraction with Han Yi An, the school's star swimmer. On the other hand, Do Eun Byul is the most popular girl at Sekang High School, the most prestigious private high school in Seoul's Gangnam District. However, she hides the fact that she is bullied at school by a gang of mean girls lef by Kang So Young, while teachers turn a blind eye. Eun Bi lives at House of Love, an orphanage in Tongyeong, South Gyeongsang Province, where the younger residents look up to her as a mother figure.
Go Eun Byul and Lee Eun Bi are identical twins separated at birth.