Lizzie Nichols is back, pounding the New York City pavement and looking for a job, a place to live, and her proper place in the universe (not necessarily in that order). When "Summer Fling" Luke uses the L word (Living Together), Lizzie is only too happy to give up her plan of being postgrad roomies with best friend, Shari, in a one-room walk-up in exchange for cohabitation with the love of her life in his mother's Fifth Avenue pied- -terre,...