Kim Jae Min (Park Gun Hyung) is a sweet husband who will do anything for his wife Lee Mi So (Hong Eun Hee). Mi So has a bright personality, but she learns that she is pregnant with their second child. Even with just one child, she has a hard time raising their child and working. Kim Jae Min decides to submit for a maternity leave at his work and begin to raise their child and do house chores.