Mistress on His Terms

I just want to know the truth, but he looks at me with contempt... Lily, who lost her parents in an accident, learns about her real father through her inheritance. What happened between him and her mother? In order to find out the truth, she goes to see him. But the person who comes to pick her up is his stepson, Sebastian. He's tall and handsome, but suspects her of being a gold digger. What a rude man! Lily is repulsed, but on their way to their father's estate, a storm breaks out...and she spends a night with him in a motel?