Soo Ji is tired of her dad's empty promises. And today being a special day she leaves her dad and Director Hwang behind and runs away from home. Just as she's about to get caught by Director Hwang, she escapes through Yeo Jin and Hyung Ja's help. Hyung Ja has actually run away from home too since her family treat her so badly and Yeo Jin has run away from the hostess bar she works at. Yeo Jin is trying to avoid her boss's employees and Hyung Ja is trying to avoid her husband. They decide to team up with Soo Ji and become family for the day. But Yeo Jin gets caught by her boss and Soo Ji calls her dad to ask for money to help her out. The large sum she asks for makes him think that she's been kidnapped.

Sujin and Jihun are a detective couple and have to take on a strange case. They have to have a test tube baby in order investigate a criminal whose wife is also having a test tube baby. They've been wanting a baby for a long time so Jihun likes the idea but Sujin isn't all that happy about it. But Sujin ends up going to the hospital to have the baby and she's put in ward 7 with some strange characters. They're all women trying to get pregnant. Sujin gets to experience life with the group of women who dream of having a baby and she gets to learn what it's like for women who desperately want a baby but can't have one.