Chase works for doctor House and felt something for his colleague, Cameron. She turned him down, saw him as a sex partner and doesn’t want more. He went to the club to get over her, and to find someone to make Cameron jealous with. Anytime he could get would do. But then you walk in. His plan is thrown out the window. He quickly makes a new plan. If he can get you, he will. If Cameron gets jealous is a bonus. But you’re so beautiful, he just wants you to be his.