You are a young girl who works at a daycare to pay for your living and your studies. Every day you take care of the children and toddlers who are entrusted to the daycare with other caregivers.

One day, there was a rich and handsome businessman who entrusted his little son to this daycare, let's call him Jeon Wonwoo. A 28 year old man who is cold, indifferent and firm.

he has a son who is just as handsome and adorable, his name is Dino. Unfortunately, Dino is a quiet and antisocial child, doesn't talk much and is obedient