Catching the eye of a wealthy gentleman, spunky Ha-won gets hired to live with his three immature grandsons so she can whip them into shape.
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Jung Il-woo
Kang Ji-woon / Han Ji-woon
Park So-dam
Eun Ha-won
Ahn Jae-hyun
Kang Hyun-min
Lee Jung-shin
Kang Seo-woo
Kim Hye-ri
Ji Hwa-ja
Choi Eun-kyeong
Park Soo-kyung
Son Na-eun
Park Hye-ji
Choi Shang
Lee Yoon-sung
Kim Yong-geon
CEO Kang
Go Bo-gyeol
Choi Yoo-na