Single Mommy Married to a Billionaire

*Five years ago, For the sake of a company order, she had gone to the company's customers.
At that ridiculous one-night stand, she was his vine...
Five years later, he suddenly appeared before her with his fiancée.
"I'm your new boss now , you are not married yet."
"How could you have a five years old baby?"
What is she going to do between those two man?
Who is this adorable babie's father？
And most importantly Could they be together?