While searching for her deadbeat brother in Taiwan, Oh Dong Hee crosses paths with Han Sung Joon, drawing together generations of families with a whole host of problems and entanglements of their own.
The family comes together to make kimchi. While pressure from his mother brings Ji Hoon to the edge. Unfortunately, new revelations mean the problems are just beginning.
The paternity test results throw the household into upheaval. Sung Joon's overture toward Dong Hee leaves her confused. Hyun Woo's revenge plan against the neighborhood works out in Jung Eun's favor.
Dong Hee comes under attack from Director Bang. The transition of the sons to their birth families makes their mothers feel abandoned. As Sung Hoon recovers, Sung Shik gets devastating news.
Jung Eun confesses her feelings for Hyun Woo, and despite softening his demeanor toward the family, he still seeks revenge on Sung Shik. The switched sons start to get comfortable with their birth mothers.
Hyun Woo breaks down when his revenge scheme doesn't yield results fast enough. However, he learns his lost brother may be closer than he thought. Chang Soo and Ji Hoon reveal their hidden talents.
With the discovery of Chang Soo's talent, the mothers are back to arguing. More people start to notice the attraction between Dong Hee and Sung Joon. Hyun Woo and Jung Eun take their relationship to the next level.
Hyun Woo's renewed revenge plans take down more people in the neighborhood, including Sung Shik. Sung Joon tries to console Dong Hee when she gets stressed.
Jung Hwa's return causes problems for the family. Gwi Boon is troubled by her boss' interest in Dong Hee. Sung Joon contemplates his family background.
Dong Hee and Sung Joon's relationship causes an uproar among the family, but Sung Joon is still recovering from Hyung Seob's confession about his father.
After a family secret is revealed, the fallout is swift and immense. A nefarious plot to inherit wealth leaves a helpless young woman trapped in a luxurious room.
The family is forced to work together to come up with money for all of their troubles. The family relations become more complicated than simply that between Chief Lee and Sung Joon.
Oh Gwi Boon enlists help from Sung Joon to help rescue Dong Hee from Chairman Bang. The family adjusts to the loss of their house to Chief Lee. Secrets and surprising relationships are soon revealed.
Sung Joon gets in deep while trying to rescue Dong Hee and Oh Gwi Boon. The family gets involved in the secret around the matter of Ji Hoon and Chang Soo.