It's immoral to to be dishonest and manipulative.
Tommy met Rachel on an online dating site, and she likes rich men and Tommy is poor.
Tommy wants Rachel to date him.
Tommy tells Rachel he really likes her and what he lacks in income he makes up for in other areas.
Tommy tells Rachel he is a doctor and has a lot of money, and they date.
Rachel appreciates Tommy's honesty and gives him a chance.
Rachel eventually finds out Tommy is poor and dumps him and warns others about him.