Recapping Season 4, Episode 4 of Pretty Little Liars. Aria sings to Jake the ballad of Ezria 4Ever, Hanna and the new Lieutenant Tanner size each other up while discussing the Wilden case, Emily can\u2019t swim anymore or she\u2019ll die, according to her terrible doctor, and Spencer finally confronts Melissa about the Halloween train, the masks, and all her other shady activities.