Two in-laws forced to raise their orphaned nephew together slowly overcome their misunderstandings, finding personal growth and an unexpected romance through co-parenting under one roof.
Hyun-jin and Tae-hyung are at odds from the moment they meet, only to discover that they will soon be in-laws.
The in-laws who have been at odds are forced to live together with their orphaned nephew, Woo-joo.
As they navigate caring for Woo-joo, Tae-hyung makes an irresistible proposition to Hyun-jin and proposes cohabitating for a month.
As Hyun-jin and Tae-hyung's relationship deepens, Hyun-jin hides their living arrangement from her first love, Yoon-seong.
As Yoon-seong discovers Hyun-jin's secret, Tae-hyung learns that Yoon-seong was her first love.
Tae-hyung gets assigned to work with Hyun-jin and Yoon-seong, while Hyun-jin learns of Tae-hyung's true feelings.
Tae-hyung is shaken by the sudden appearance of his estranged father. Meanwhile, Hyun-jin struggles at work.
Having learned the truth about his past, Tae-hyung decides to leave Hyun-jin and Woo-joo for their safety.
As Hyun-jin grows closer to Yoon-seong, Tae-hyung keeps his distance and decides to move abroad.
Hyun-jin reunites with Tae-hyung after realizing her feelings for him, but their day out is disrupted when Woo-joo goes missing.
As Woo-joo's guardianship hearing approaches, an unexpected incident threatens to tear the family apart.
Bae In-hyuk
Sun Tae-hyung
Roh Jeong-eui
Woo Hyeon-jin
Park Seo-ham
Park Yun-seong
Ku Sung-hwan
Jo Mu-saeng
Choi Gyu-ri
Baek Se-yeon
Oh Hyun-joong
Kim Hee-jun
Park Yoo-ho
Sun Woo-Joo
Cheon Yi-seul
Kim So-hee
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