1. It's Alive

The girls' parents have gathered for an intervention to send the girls to group therapy. Aria finally considers reconciling and visits Ezra's apartment, their relationship worsens when Ezra admits that he was still in love with his ex, Jackie, when he and Aria first met. Lucas brings Caleb back to Rosewood for Hanna but she's too hurt to take him back. Caleb explains that he wrote her a letter and gave it to Mona, who threw it away. Hanna confronts Mona about the letter, but leaves when she realizes to her shock that Noel Kahn and Mona are dating.

Emily is struggling to deal with her impending move to Texas and losing her friends, including Toby, who she re-bonds with as they wait for Spencer to join them in secret. Spencer then cancels as she is having some difficulties with family at home: Melissa, distraught over her missing husband, Ian, threatens not to let Spencer anywhere near the baby. She decides to make up with Spencer, however, even telling her the unborn baby's name, Taylor. The girls resolve to spill at least some of their secrets to Dr. Sullivan.

The girls then notice that Ezra's diploma, the missing piece from his apartment, is sitting on a shelf in the doctor's office. The girls freak out and leave before they can tell Dr. Sullivan their secrets. Dr. Sullivan later contacts the girls' parents and recommends that they take some time apart due to their "unstable" behavior during their last therapy session. After Spencer finds a text message on Melissa's phone, she suspects that the caller is Ian. ' A' ending: 'A' is in Emily's room, deleting files of A's messages and the copy of the video.