Everything is pointing to Young Joon—that the boy Mi So is looking for is not Sung Yeon, but him. Mi So doesn’t really understand why the whole family of her boss is lying about his real identity. To confirm her speculation, she pays a visit to Young Joon’s mother and finds a clue that might lead to her childhood hero. Meanwhile, Young Joon figures out that somehow Mi So’s sisters are not going to accept him easily. To win their hearts, he joins Mi So’s family on their vacation trip.
Park Seo-jun
Lee Young-joon
Park Min-young
Kim Mi-so
Lee Tae-hwan
Lee Sung-yeon
Pyo Ye-jin
Kim Ji-a
Kim Hye-ok
Madame Choi
Kim Byeong-ok
CEO Lee
Kang Ki-young
Park Yoo-sik
Kang Hong-suk
Yang Cheol
Hwang Chan-seong
Go Gwi-nam
Kim Ye-won
Seol Ma-eum
Lee Yoo-jun
Jung Chi-in
Hwang Bo-ra
Bong Se-ra
Baek Eun-hae
Kim Pil-nam
Heo Soon-Mi
Kim Mal-hee
Kim Jung-woon
Park Joon-hwan
Lee Jung-min
Lee Young-ok
Seo Hyo-rim
Yoo-sik's Ex-wife
Moon Woo-jin
Lee Young-joon / Lee Sung-hyun
Kim Ji-Yu
Young Kim Mi-so
Bae Gang-Yoo
Young Lee Sung-yeon