Pretty Little Liars Season 1 Episode 4 : Can You Hear Me Now?

The girls block e-mails and text messages from all unknown users in an attempt to stop "A," but their problems are far from over. One girl receives a surprise visit, while another receives a gift from a prospective paramour. And just when things couldn't get any more complicated, the girls find out that trying to keep "A" away comes with a price.