Jeno is the richest businessman in Seoul who owns the biggest company, He is handsome but so cold and stiff, Jeno is a widower, he divorced his wife four years ago and has not been married until now, Jeno has a two year old son.

Jeno lives alone with his child. Jeno has had a nanny for his child several times but has not really been able to take care of his child named Ethan Lee.

When Jeno was overwhelmed with his busy schedule and didn't have time for his son, he looked for a new nanny for Ethan because he didn't have time for Ethan at home.

until that time comes, Jeno who is now working from home finds a beautiful girl who comes to apply for a job to be Ethan's new nanny.

While Jeno was busy staring at his laptop screen while sitting on the living room sofa, he looked up and saw a beautiful brown-haired girl standing in front of him with a nervous expression, Jeno's cold and sharp gaze looked at the girl from top to bottom.