The Sham

After her parents' deaths on Cape Cod, reclusive 20-something Margo Sharpe lives alone in a crap apartment in South Boston. One problem: she can't afford it. So she rents her spare bedroom to Lucy Somers, a shy, allergic-to-everything school teacher. At first, they peacefully coexist; Margo manages to keep Lucy at arm's length. But Lucy starts to ask questions about Margo's past. Too many questions. Then, money goes missing. Relationships are hijacked. Dead rats appear all over the house. A...