A Bird that doesn't Sing

After Nam-gyu's company goes bankrupt, his wife flees to the Philippines with her son.

Mi-ja enjoys a luxurious life in the Philippines with Steve, while Nam-gyu joins Su-yun's company.

As Su-yun's company grows rapidly, Mi-ja suddenly returns to Korea after losing all her money.

Soo-chang gets caught up in Mi-ja's shady scheme to pay off her debt using Nam-kyu's money.

Yu-mi notices that Mi-ja has moved in next door in an attempt to win him back.

Mi-ja gets into a fight with Dal-yun at Yu-mi's workplace in an attempt to win her daughter over.

Ha-nui unexpectedly runs into Sung-soo at a cooking academy.

Mi-ja becomes consumed by jealousy over Soo-yeon and Nam-gyu's growing closeness.

Yu-mi feels guilty over Mi-ja's injury, only to learn the accident was staged.

After securing a major export contract with China, Nam-gyu finally returns.

In the aftermath of Mi-ja's accident, Min-ji stays at Nam-gyu's house temporarily.

On the day of Min-ji's kindergarten performance, Nam-gyu and Mi-ja attend the event.

Nam-gyu is shocked to discover that his ex-wife and children have moved in next door.

Nam-gyu tries to face his son, but Min-gi avoids him.

Mi-ja faces a crisis that could ruin her plan.

Seeing Nam-gyu suffer over his children deeply troubles Soo-yeon.

After Mi-ja leaves with the children, Nam-gyu begins searching for her.

Mi-ja moves back next door with her children, keeping her past with Nam-gyu a secret.

To fulfill Min-ji's wish, Nam-gyu joins Mi-ja and the children for dinner.

Soo-yeon struggles with growing suspicion that Nam-gyu is still thinking about his ex-wife.

Soo-yeon discovers that Nam-gyu's ex-wife is Mi-ja, her neighbor who lives with his children.

While Mi-ja is in a mental health facility, Nam-gyu and Yu-mi spend time with the children.

Soo-yeon grows closer to Nam-gyu's children while Mi-ja pretends to work hard for them.

After a painful conflict with Nam-gyu's ex-wife, Soo-yeon declares to divorce Nam-gyu.