Billionaire's Exclusive Wife

When she unwittingly discovers that her father's death has been covered up, she gives herself to a strange man, only to find out the truth with his help; after a night of drinking, he is attracted to the woman who designed him and agreed to marry her. In this marriage without love, a transaction, both have unwittingly lost their hearts. When the dust settles, she thinks she can stay by his side with all her heart, but his first love, who has been in bed for years, wakes up at this time, where should she go?