often seen in the street without a hat

Can Heather clear Sarah’s would-be boyfriend’s name; find her boss’s real murderer; end the grad students’ strike; figure out if her dad’s new “project” is really the answer to her prayers; answer Tad’s “question,” and get her landlord Cooper to realize that by letting her go, he’s making the biggest mistake of his life, all while maintaining a fifteen hundred calorie per day diet…oh, and keeping from getting killed, as well?