Welcome to New York City`s Upper East Side, where my friends and I live and go to school. We`re smart, we`ve inherited classic good looks, and we know how to party. It`s a luxe life, but someone`s got to live it. S is back from boarding school, and if we aren`t careful, she`s going to win over our teachers, wear that dress we couldn`t fit into, steal our boyfriends` hearts, and basically ruin our lives in a major way. I`ll be watching closely…