Hae-na who is bound to inherit her family curse which is turning into a dog after getting her first kiss. The only way to break the curse is to get a second kiss. The problem is the guy who gave Hae-na her first kiss is afraid of dogs.

The series focuses on the search of a young woman for her lost son. After discovering that her child may be living at an orphanage, she goes there under the alter ego of a humorous and magical nanny figure, touching and changing their lives.