Kang Shin-Woo is a math teacher with a good looking appearance. He has not forgotten his first love Han Ji-Soo for the past 10 years. By an accident, he travels to the past when he was a high school student. There, he meets his younger self. Kang Shin-Woo struggles to make the younger Kang Shin-Woo's love come true.
이정신
as Kang Shin-Woo
Seo Ji-hoon
as Young Kang Shin-Woo
이열음
as Han Ji-Soo
Lee Tae-seon
as Shin Joo-Hwan
Cho Lee-hyeon
as Baek Na-Hee
민도희
as Jang So-Ra
이주형
as Choo Geun-Deok
김선영
as Shin-Woo's mother
박한솔
as Kim Yun-jeong
고규필
as Mozart student's Head Teacher
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
