My Mysterious Billionaire Husband

How could a powerful and wealthy person like him only like her? After being betrayed by her ex-boyfriend, Katie meets Alexander, who repeatedly defends her in times of crisis, and by chance, they are engaged to be married. During the relationship, Katie finds that Alexander is not an ordinary man. He is rich, powerful and has many admirers, but he seems to be in love with her only. Is their encounter a coincidence or is there a hidden agenda? What is the real origin of their relationship? Will there be any real feelings in this fake marriage?