After years of hard work raising their four children, Hyung Seob and Jung Ae are finally ready to enjoy retirement. But their quiet life is turned upside down when all their children suddenly move back home.

Hyun Woo returns to Korea seeking revenge for being separated from his sibling and sent to America. But his plans take a turn when he reconnects with Jung Eun, a woman he once met in New York. Can he let go of the past and open his heart to love?

Meanwhile, Sung Joon crosses paths again with Dong Hee, a girl he briefly met in Taiwan—only to find her now living under the same roof in Korea.

Filled with karmic ties, second chances, and the importance of family, this story explores how fate brings people together and how love can bloom even in the most unexpected circumstances.